Export to STL by default

src/state/fragment-state.ts

@@ -81,7 +81,7 @@ export async function readStateFromFragment(): Promise<State | null> {
           // Source deserialization also handles legacy links (source + sourcePath)
           sources: params?.sources ?? (params?.source ? [{path: params?.sourcePath, content: params?.source}] : undefined), // TODO: validate!
           exportFormat2D: validateStringEnum(params?.exportFormat2D, Object.keys(VALID_EXPORT_FORMATS_2D), s => 'svg'),
-          exportFormat3D: validateStringEnum(params?.exportFormat3D, Object.keys(VALID_EXPORT_FORMATS_3D), s => 'glb'),
+          exportFormat3D: validateStringEnum(params?.exportFormat3D, Object.keys(VALID_EXPORT_FORMATS_3D), s => 'stl'),
           extruderColors: validateArray(params?.extruderColors, validateString, () => undefined as any as []),
         },
         preview: preview ? {

src/state/initial-state.ts

@@ -37,7 +37,7 @@ export function createInitialState(state: State | null, source?: {content?: stri
         sources: [{path: activePath, content, url}],
         features: [],
         exportFormat2D: 'svg',
-        exportFormat3D: 'glb',
+        exportFormat3D: 'stl',
       },
       view: {
         layout: {