Alternatives to STEP to STL

24 tools like STEP to STL, ranked by topic, tags and pricing. All of them open without an account.

No sign-up — opens and works · Opens in mainland China · Free

Bake3D STL Checker Open
Local STL inspection for watertightness, flipped normals and non-manifold edges, with one-click repair.
3Dstlcheckerbake3d.ai
Online 3D Viewer Open
Open STL, OBJ and GLTF models in the browser and rotate them
3D3D查看模型预览Verified 23h ago3dviewer.net
bpmn.io Open
An online BPMN modeler that needs no login
3D流程图BPMNVerified 23h agodemo.bpmn.io
3D File Converter Open
Batch 3D conversion plus mesh tools that stay on your device; no account.
3Dconverterbatch3dfileconverter.online
GLB Viewer Open
Render GLB/glTF locally in the browser and share links; viewing needs no login.
3Dglbviewerglbviewer.com
KingSTL Free 3D Printing Calculators Open
A page of free 3D printing calculators for filament cost, length and print time.
3Dcalculatorfilamentkingstl.com
Kiri:Moto Open
Browser slicer: import an STL and get G-code for FDM, resin, laser and CNC without installing anything.
3Dslicergcodegrid.space
3dicons Open
Free 3D icon packs with PNG and source file downloads
3D3D图标素材Verified 23h ago3dicons.co
Khronos glTF Viewer Open
Khronos's official glTF sample viewer for inspecting models
3DglTF3D标准Verified 23h agogithub.khronos.org
MolView Open
Draw molecules online and get a rotatable 3D model instantly
3D化学分子Verified 23h agomolview.org
Cesium Sandcastle Open
Cesium's official 3D globe examples, editable and runnable online
3D3D地球GISVerified 23h agosandcastle.cesium.com
Kenney Open
A free game asset collection with 3D models, textures and sounds
3D游戏素材3D模型Verified 23h agokenney.nl
glTF Viewer Open
Drag in glTF or GLB models for instant rendering with environment light
3DglTF3D渲染Verified 23h agogltf-viewer.donmccurdy.com
80 Level Open
News and showcase site for 3D and game artists: breakdowns, tool releases and community topics.
3Dcommunityshowcase80.lv
Bambu Lab Wiki Open
Bambu Lab's official wiki with per-printer settings, maintenance and fault-handling guides.
3Dbambusettingswiki.bambulab.com
Blockbench Open
Open-source low-poly modeler for Minecraft and game art; free web app, no account needed.
3Dlow-polygame-assetsblockbench.net
CGBookcase Open
CC0 PBR textures, free for any purpose, no login.
3Dpbr材质cc0cgbookcase.com
CadNav Open
Free 3D models and textures; direct download without account; mechanical and architectural focus.
3D3d模型纹理cadnav.com
Ellis Print Tuning Guide Open
Deep print-tuning guide for Klipper and Voron style printers: pressure advance, extrusion, troubleshooting.
3Dtuningklipperellis3dp.com
Figuro Open
Free browser 3D editor that opens instantly; primitive modeling for prototypes and classrooms.
3D3d-modelingbrowserfiguro.io
Free Stock Textures Open
Free photographic texture library, commercial use allowed, no login.
3D贴图可商用freestocktextures.com
FreePBR Open
Free PBR materials explicitly allowed in commercial projects; no login.
3Dpbr材质可商用freepbr.com
ImageToSTL Open
Image-to-STL, mesh repair, model compression and voxelizing in one free toolbox.
3Dimage-to-stlrepairimagetostl.com
JSCAD Open
Open-source code-CAD that models 3D solids in JavaScript; browser editor, no login, STL export.
3Dcode-cadjavascriptopenjscad.xyz

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