diff --git a/app.js b/app.js
index 8c08efea..27971eaf 100644
--- a/app.js
+++ b/app.js
@@ -230,7 +230,6 @@ const script = {
         "add/array",
         "add/three",
         "geo/base",
-        "geo/debug",
         "geo/render",
         "geo/point",
         "geo/points",
@@ -289,7 +288,6 @@ const script = {
         "add/class",
         "geo/base",
         // "geo/wasm",
-        "geo/debug",
         "geo/point",
         "geo/points",
         "geo/slope",
@@ -333,7 +331,6 @@ const script = {
         "add/array",
         "add/class",
         "geo/base",
-        "geo/debug",
         "geo/point",
         "geo/points",
         "geo/slope",
@@ -358,7 +355,6 @@ const script = {
         "add/array",
         "add/three",
         "geo/base",
-        "geo/debug",
         "geo/render",
         "geo/point",
         "geo/points",
@@ -389,7 +385,6 @@ const script = {
         "add/array",
         "add/three",
         "geo/base",
-        "geo/debug",
         "geo/render",
         "geo/point",
         "geo/slope",
diff --git a/src/geo/debug.js b/src/geo/debug.js
deleted file mode 100644
index bbb156c7..00000000
--- a/src/geo/debug.js
+++ /dev/null
@@ -1,219 +0,0 @@
-/** Copyright 2014-2019 Stewart Allen -- All Rights Reserved */
-
-"use strict";
-
-(function() {
-
-    if (self.base.debug) return;
-
-    const base = self.base,
-        flags = {},
-        stash = [],
-        debug_colors = [0xff0000, 0x00ff00, 0x0000ff, 0x00ffff, 0xff00ff, 0xffff00];
-
-    let size = 20,
-        enabled = false,
-        next_debug_color = 0;
-
-    /** ******************************************************************
-     * Debug Functions
-     ******************************************************************* */
-
-    function log(o) {
-        console.log(o);
-        if (enabled) {
-            stash.push(o);
-            while (stash.length > size) stash.shift();
-        }
-    }
-
-    function enable(history) {
-        enabled = true;
-        if (history) size = Math.abs(history);
-    }
-
-    function disable() {
-        enabled = false;
-    }
-
-    function on() {
-        return enabled;
-    }
-
-    function history() {
-        return stash;
-    }
-
-    function last() {
-        return stash[stash.length-1];
-    }
-
-    function trace(msg) {
-        if (msg && typeof msg != 'string') msg = JSON.stringify(msg);
-        log(new Error(msg).stack);
-    }
-
-    function view() {
-        return base.debug.view;
-    }
-
-    function setView(view) {
-        base.debug.view = view;
-    }
-
-    function get(f) {
-        return flags[f];
-    }
-
-    function set(f, value) {
-        if (Array.isArray(f)) {
-            for (let i=0; i<f.length; i++) flags[f[i]] = (value || 1);
-        } else {
-            flags[f] = (value || 1);
-        }
-    }
-
-    function clear(f) {
-        if (Array.isArray(f)) {
-            for (let i = 0; i < f.length; i++) delete flags[f[i]];
-        } else {
-            delete flags[f];
-        }
-    }
-
-    function test(isSet, isNotSet) {
-        let i;
-        if (isNotSet) {
-            if (Array.isArray(isNotSet)) {
-                for (i=0; i<isNotSet.length; i++) {
-                    if (flags[isNotSet[i]]) return null;
-                }
-            } else {
-                if (flags[isNotSet]) return null;
-            }
-        }
-        if (isSet) {
-            if (Array.isArray(isSet)) {
-                for (i=0; i<isSet.length; i++) {
-                    if (!flags[isSet[i]]) return null;
-                }
-            } else {
-                if (!flags[isSet]) return null;
-            }
-        }
-        return view() || true;
-    }
-
-    function nextDebugColor() {
-        return debug_colors[next_debug_color++ % debug_colors.length];
-    }
-
-    /**
-     * render point array as discrete points
-     *
-     * @param {Point[]} points
-     * @param {number} [color]
-     * @param {number} [opacity]
-     * @param {number} [size]
-     * @returns {THREE.PointCloud}
-     */
-    function points(points, color, opacity, size) {
-        view().points(points, color, size);
-    }
-
-    /**
-     *
-     * @param {Point[]} points
-     * @param {number} color
-     * @returns {THREE.Line}
-     */
-    function lines(points, color) {
-        view().lines(points, color);
-    }
-
-    /**
-     *
-     * @param {Polygon} poly
-     * @param {number} color
-     * @param {boolean} [recurse]
-     * @returns {THREE.Object}
-     */
-    function polygon(poly, color, recurse) {
-        return poly.render(view(), color, recurse);
-    }
-
-    /**
-     * debug polygon
-     *
-     * @param {Polygon} poly
-     * @param {number} [z]
-     * @param {Layer} [v]
-     * @param {boolean} [deep]
-     * @param {boolean} [creep]
-     */
-    function xray(poly, z, v, deep, creep) {
-        let colors = [
-                0xaa0000,
-                0x0,
-                0xaaaa00,
-                0x444444,
-                0x00ff00,
-                0x888888,
-                0x00aaaa,
-                0x0,
-                0x0000aa,
-                0x444444,
-                0xaa00aa,
-                0x888888
-            ],
-            cidx = 0,
-            point,
-            next,
-            layer = v || view();
-        if (typeof(z) === 'number') poly.setZ(z);
-        poly.forEachPoint(function(next) {
-            if (!point) return next = point;
-            if (creep) next.z = (z = z + 0.1);
-            layer.lines([point.clone(), next.clone()], colors[cidx++ % colors.length]);
-            point = next;
-        });
-        layer.lines([poly.last().clone(), poly.first().clone()], 0xffffff);
-        layer.points(poly.points,  0x000000, 0.1);
-        layer.points([poly.first()], 0xffffff, 0.4);
-        layer.points([poly.last()],  0x555555, 0.45);
-        if (deep && poly.inner) {
-            poly.inner.forEach(function(p) { xray(p, z, v, false, creep) });
-        }
-    }
-
-    /** ******************************************************************
-     * Connect to base
-     ******************************************************************* */
-
-    base.debug = {
-        on : on,
-        enable : enable,
-        disable : disable,
-        history : history,
-        last : last,
-
-        get : get,
-        set : set,
-        clear : clear,
-
-        log : log,
-        trace : trace,
-        test : test,
-        view : null,
-        setView : setView,
-        color : nextDebugColor,
-
-        xray : xray,
-        points : points,
-        lines : lines,
-        polygon : polygon,
-
-        slice : null, // todo temp
-    };
-
-})();
diff --git a/src/geo/point.js b/src/geo/point.js
index 217de354..78f1d00b 100644
--- a/src/geo/point.js
+++ b/src/geo/point.js
@@ -13,20 +13,14 @@
         ROUND = UTIL.round;
 
     class Point {
-        constructor(x,y,z,key,CP) {
-            if (CP) {
-                console.trace({x,y,z,key,CP});
-                throw "deprecated point constructor"
-            } else {
-                this.x = x;
-                this.y = y;
-                this.z = z || 0;
-                if (key) {
-                    this._key = key;
-                }
+        constructor(x,y,z,key) {
+            this.x = x;
+            this.y = y;
+            this.z = z || 0;
+            if (key) {
+                this._key = key;
             }
             this.poly = null; // parent polygon
-            this.pos = 0; // position in group
         }
 
         get key() {
@@ -710,11 +704,10 @@
      * @param {number} y
      * @param {number} z
      * @param {String} [key]
-     * @param {Object} [CP] clipper point
      * @returns {Point}
      */
-    function newPoint(x, y, z, key, CP) {
-        return new Point(x, y, z, key, CP);
+    function newPoint(x, y, z, key) {
+        return new Point(x, y, z, key);
     }
 
 })();
diff --git a/src/geo/points.js b/src/geo/points.js
index b7785903..cbc3832d 100644
--- a/src/geo/points.js
+++ b/src/geo/points.js
@@ -4,9 +4,8 @@
 
 (function() {
 
-    const BASE = self.base,
-        DBUG = BASE.debug,
-        CONF = BASE.config;
+    const BASE = self.base;
+    const CONF = BASE.config;
 
     BASE.verticesToPoints = verticesToPoints;
     BASE.pointsToVertices = pointsToVertices;
@@ -104,7 +103,7 @@
 
         // if (passes) console.trace({passes, threshold, precision, maxpass});
 
-        if (passes) DBUG.log({
+        if (passes) console.log({
             before: array.length / 3,
             after: parr.length,
             unique: unique,
diff --git a/src/geo/polygon.js b/src/geo/polygon.js
index 25a151ba..40b1a8e7 100644
--- a/src/geo/polygon.js
+++ b/src/geo/polygon.js
@@ -9,7 +9,6 @@
     const BASE = self.base,
         CONF = BASE.config,
         UTIL = BASE.util,
-        DBUG = BASE.debug,
         KEYS = BASE.key,
         SQRT = Math.sqrt,
         POLY = function() { return BASE.polygons },
diff --git a/src/geo/polygons.js b/src/geo/polygons.js
index a5dd4232..b2bde400 100644
--- a/src/geo/polygons.js
+++ b/src/geo/polygons.js
@@ -745,9 +745,7 @@
         while (i < polygons.length) {
             let polygon = polygons[i++],
                 pp = polygon.points,
-                pl = pp.length,
-                dbug = BASE.debug,
-                debug = false;
+                pl = pp.length;;
             for (let j = 0; j < pl; j++) {
                 let j2 = (j + 1) % pl,
                     ip = UTIL.intersectRayLine(start, slope, pp[j], pp[j2]);
@@ -760,13 +758,9 @@
                     if (ip.isNear(pp[j], merge_dist)) {
                         ip.pos = j;
                         ip.mod = pl;
-                        if (debug) dbug.points([ip], 0x0000ff, 0.5, 1.0);
                     } else if (ip.isNear(pp[j2], merge_dist)) {
                         ip.pos = j2;
                         ip.mod = pl;
-                        if (debug) dbug.points([ip], 0x00ffff, 0.5, 0.85);
-                    } else {
-                        if (debug) dbug.points([ip], 0xff00ff, 0.5, 0.5);
                     }
                 }
             }
@@ -788,7 +782,7 @@
                      * was added later. see below for what else can happen.
                      */
                     if (line.length < 2) {
-                        dbug.log("sliceInt: line common ep fail: "+line.length);
+                        console.log("sliceInt: line common ep fail: "+line.length);
                     } else
                     if (line.length > 2) {
                         p1.del = true;
@@ -804,11 +798,9 @@
                         del = true;
                         p1.del = true;
                         p2.del = true;
-                        if (debug) dbug.points([p1, p2], 0xffffff, 0.2, 1);
                     } else {
                         del = true;
                         p1.del = true;
-                        if (debug) dbug.points([p1], 0xffff00, 0.2, 0.85);
                     }
                 }
                 return p1.dist - p2.dist; // sort on 'a' dist from ray origin
@@ -839,7 +831,6 @@
                             //    p1.del = true;
                             //    p2.del = true;
                             //    del = true;
-                            //    if (debug) dbug.points([p1, p2], 0xfff000, 0.2, 2);
                             //}
                             // check cull co-linear with group edge
                             if (same && p1.mod && p2.mod) {
@@ -848,7 +839,6 @@
                                     p1.del = true;
                                     p2.del = true;
                                     del = true;
-                                    if (debug) dbug.points([p1, p2], 0xffffff, 0.2, 1.85);
                                 }
                             }
                         }
diff --git a/src/kiri/export.js b/src/kiri/export.js
index aba7fc57..d8c0884c 100644
--- a/src/kiri/export.js
+++ b/src/kiri/export.js
@@ -1,4 +1,4 @@
-/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
+console.log/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
 
 "use strict";
 
@@ -203,7 +203,7 @@
         function gridhost_tracker(host,key) {
             ajax(host+"/api/check?key="+key, function(data) {
                 data = js2o(data);
-                DBUG.log(data);
+                console.log(data);
                 if (!(data.done || data.error)) {
                     setTimeout(function() { gridhost_tracker(host,key) }, 1000);
                 }
@@ -373,7 +373,7 @@
                         gridhost_tracker(host,json.key);
                         API.ajax(host+"/api/wait?key="+json.key, function(data) {
                             data = js2o(data);
-                            DBUG.log(data);
+                            console.log(data);
                             API.show.alert("print to "+target+": "+data.status, 600);
                         });
                     } else {
diff --git a/src/kiri/main.js b/src/kiri/main.js
index b83f6b7c..d282c8b4 100644
--- a/src/kiri/main.js
+++ b/src/kiri/main.js
@@ -1,4 +1,4 @@
-/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
+console.log/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
 
 "use strict";
 
@@ -8,7 +8,6 @@
         KIRI    = self.kiri,
         BASE    = self.base,
         UTIL    = BASE.util,
-        DBUG    = BASE.debug,
         LANG    = KIRI.lang.current,
         WIN     = self.window,
         DOC     = self.document,
@@ -56,8 +55,6 @@
         saveTimer = null,
         noop = () => {};
 
-    DBUG.enable();
-
     // add show() to catalog for API
     CATALOG.show = showCatalog;
 
@@ -1134,7 +1131,7 @@
             API.event.emit('slice.end', getMode());
             // print stats
             segtimes.total = Date.now() - now;
-            DBUG.log(segtimes);
+            console.log(segtimes);
             if (callback && typeof callback === 'function') {
                 callback();
             }
@@ -1231,7 +1228,7 @@
 
             // print stats
             segtimes.total = Date.now() - now;
-            DBUG.log(segtimes);
+            console.log(segtimes);
 
             API.event.emit('print', pMode);
             API.event.emit('preview.end', pMode);
@@ -2483,7 +2480,7 @@
 
     function loadFile() {
         $('load-file').onchange = function(event) {
-            DBUG.log(event);
+            console.log(event);
             platformLoadFiles(event.target.files);
         };
         $('load-file').click();
@@ -2908,7 +2905,7 @@
                 setWidgetVisibility(true);
                 break;
             default:
-                DBUG.log("invalid view mode: "+mode);
+                console.log("invalid view mode: "+mode);
                 return;
         }
         API.event.emit('view.set', mode);
@@ -2933,7 +2930,7 @@
 
     function setMode(mode, lock, then) {
         if (!MODES[mode]) {
-            DBUG.log("invalid mode: "+mode);
+            console.log("invalid mode: "+mode);
             mode = 'FDM';
         }
         // change mode constants
diff --git a/src/kiri/print.js b/src/kiri/print.js
index 769b37a7..ed839a76 100644
--- a/src/kiri/print.js
+++ b/src/kiri/print.js
@@ -13,7 +13,6 @@
         FDM = DRIVERS.FDM,
         BASE = self.base,
         UTIL = BASE.util,
-        DBUG = BASE.debug,
         POLY = BASE.polygons,
         SQRT = Math.sqrt,
         SQR = UTIL.sqr,
diff --git a/src/kiri/slicer.js b/src/kiri/slicer.js
index d79013cf..9c3ad609 100644
--- a/src/kiri/slicer.js
+++ b/src/kiri/slicer.js
@@ -516,8 +516,7 @@
      */
     function connectLines(input, z, debug) {
         // map points to all other points they're connected to
-        let DBUG = BASE.debug,
-            CONF = BASE.config,
+        let CONF = BASE.config,
             pmap = {},
             points = [],
             output = [],
@@ -532,6 +531,7 @@
             if (cp) return cp;
             points.push(p);
             pmap[p.key] = p;
+            p.pos = 0;
             p.mod = nextMod++; // unique seq ID for points
             p.toString = function() { return this.mod }; // point array concat
             return p;
@@ -559,7 +559,7 @@
         function findPathsMinRecurse(point, path, paths, from) {
             let stack = [ ];
             if (paths.length > 10000) {
-                DBUG.log(`indeterminate path @ ${z} from paths=${paths.length} input=${input.length}`);
+                console.log(`indeterminate path @ ${z} from paths=${paths.length} input=${input.length}`);
                 input.excessive = paths.length;
                 return;
             }
diff --git a/src/kiri/widget.js b/src/kiri/widget.js
index e5a07f78..a78d4d68 100644
--- a/src/kiri/widget.js
+++ b/src/kiri/widget.js
@@ -1,4 +1,4 @@
-/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
+console.log/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
 
 "use strict";
 
@@ -10,7 +10,6 @@
         DRIVERS = KIRI.driver,
         BASE = self.base,
         CONF = BASE.config,
-        DBUG = BASE.debug,
         UTIL = BASE.util,
         POLY = BASE.polygons,
         MATH = Math,
@@ -721,7 +720,7 @@
             if (driver) {
                 driver.slice(settings, widget, catchupdate, catchdone);
             } else {
-                DBUG.log('invalid mode: '+settings.mode);
+                console.log('invalid mode: '+settings.mode);
                 ondone('invalid mode: '+settings.mode);
             }
         }
diff --git a/src/kiri/worker.js b/src/kiri/worker.js
index f5e0b13d..45e5fb37 100644
--- a/src/kiri/worker.js
+++ b/src/kiri/worker.js
@@ -177,7 +177,6 @@ KIRI.minions = {
 };
 
 console.log(`kiri | init work | ${KIRI.version || "rogue"}`);
-BASE.debug.disable();
 
 // code is running in the worker / server context
 const dispatch =
diff --git a/src/mode/fdm/driver.js b/src/mode/fdm/driver.js
index 652e4081..9940a80b 100644
--- a/src/mode/fdm/driver.js
+++ b/src/mode/fdm/driver.js
@@ -6,7 +6,6 @@
 
     const KIRI = self.kiri,
         BASE = self.base,
-        DBUG = BASE.debug,
         UTIL = BASE.util,
         POLY = BASE.polygons,
         FDM = KIRI.driver.FDM = {
diff --git a/src/mode/fdm/slice.js b/src/mode/fdm/slice.js
index 93760953..82ed2660 100644
--- a/src/mode/fdm/slice.js
+++ b/src/mode/fdm/slice.js
@@ -6,7 +6,6 @@
 
     const KIRI = self.kiri,
         BASE = self.base,
-        DBUG = BASE.debug,
         POLY = BASE.polygons,
         UTIL = BASE.util,
         CONF = BASE.config,
@@ -173,8 +172,8 @@
             Math.min(process.sliceMinHeight, sliceHeight) : 0;
 
         if (sliceHeightBase < sliceHeight) {
-            DBUG.log("invalid first layer height < slice height");
-            DBUG.log("reverting to min valid slice height");
+            console.log("invalid first layer height < slice height");
+            console.log("reverting to min valid slice height");
             sliceHeightBase = sliceMinHeight || sliceHeight;
         }
 
diff --git a/web/kiri/lang/en.js b/web/kiri/lang/en.js
index bbd1bd2d..6fa701ad 100644
--- a/web/kiri/lang/en.js
+++ b/web/kiri/lang/en.js
@@ -203,7 +203,7 @@ kiri.lang['en-us'] = {
     op_dang_s:      "experimental",
     op_dang_l:      "show experimental parameters",
     op_devl_s:      "developer",
-    op_devl_l:      "show developer options",
+    op_devl_l:      ["show developer options","enable developer debugging"],
     op_hopo_s:      "hover pop",
     op_hopo_l:      ["enable menu hover","to activate"],
     op_dark_s:      "dark mode",