Best Open3D alternatives: apps like Open3D: STL & 3D Model Viewer

10+ similar apps compared and reviewed

4.1 avg rating

10 free apps

Updated November 2026

Open3D: STL & 3D Model Viewer

Rajesh Konatala

🎨 Graphics & Design

Looking for something like Open3D? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Open3D

#1

Forma3D - 3D Modeling & Print by Denis Vazyulya

STL, 3MF & Mesh Repair

Editor's Choice

🎨 Graphics & Design

4.4(7 ratings)

FreeIn-App Purchases

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Create, edit, and repair 3D models directly on your iPhone or iPad. Features include sculpting, sketching, painting, and splitting meshes for printing. Supports a wide range of import/export formats and offline use.

#2

3D Print Designer CAD by Sebastian Kemper

CAD Modeling for 3D Printing

Strong Contender

🎨 Graphics & Design

4.6(34 ratings)

FreeAdsIn-App Purchases

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Create, edit, and prepare 3D models for printing with this intuitive CAD application. Design from basic shapes, import existing files, and export in common formats. Connect directly to 3D printing services to bring your ideas to life.

#3

3D Modeling: Design & Sculpt by Ha Vu Thi

3D Model Maker, Sketch, Print

Worth Considering

🎨 Graphics & Design

4.4(70 ratings)

FreeAdsIn-App Purchases

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Create and sculpt 3D models on your mobile device with intuitive touch controls. This app offers a full suite of tools for designing, painting, and editing 3D objects, suitable for both beginners and experienced creators. Import and export your work for use in other software.

More apps like Open3D

TopMod 3D: Design Software

TopMod 3D: Design Software

TopMod 3D: Design Software

Topology modeler for 3D print

Create intricate 3D surfaces with a topological mesh modeler. Sculpt complex geometry in real time and export your designs as OBJ files for use in any 3D pipeline. Ideal for artists and designers interested in the mathematics of form.

Topological mesh modelingSculpt high-genus 3D surfacesReal-time geometry building

🎨 Graphics & Design

Compare with Open3D

Blender 3D: Image to 3D

Blender 3D: Image to 3D

Blender 3D: Image to 3D

Blender 3d animation

Transform text and images into 3D models with AI. This app offers tools to generate, edit, and animate 3D content, making it accessible for beginners and professionals alike. Explore trending ideas and apply new textures to bring your creations to life.

Generate 3D models from text promptsConvert photos into 3D objectsRetexture existing 3D models

🎨 Graphics & Design

Compare with Open3D

3D Model Print Simple Edit

3D Model Print Simple Edit

3D Model Print Simple Edit

Sculpt, edit & print 3D models

Design, edit, and prepare 3D models for printing directly on your device. Utilize intuitive sculpting and CAD-style tools, or leverage AI to generate models from text descriptions. The app offers features for checking print readiness, estimating print time, and painting models for multicolor printing.

AI model generationSculpting and CAD editing toolsPrint readiness checks

🎨 Graphics & Design

Compare with Open3D

EFUGY 3D Slicer

EFUGY 3D Slicer

EFUGY 3D Slicer

Slice STL & OBJ to G-code

This app allows 3D printing enthusiasts to prepare and slice models directly on their iPhone or iPad. It supports importing STL and OBJ files, configuring printer and material settings, and previewing the sliced G-code before export.

Import STL and OBJ model filesConfigure printer, material, and nozzle settingsGenerate and preview G-code

🎨 Graphics & Design

Compare with Open3D

3D Model Maker - Image to 3D

3D Model Maker - Image to 3D

3D Model Maker - Image to 3D

Modeling & Design & Printables

Instantly transform 2D images into detailed 3D models with clean topology. This app offers a zero learning curve, making it accessible for beginners and professionals alike. Export your creations in industry-standard formats for seamless integration into various workflows.

2D image to 3D model generationReal-time 3D asset previewExport in GLB, OBJ, STL, FBX, USDZ

🎨 Graphics & Design

free with in-app purchases

Compare with Open3D

Open & preview 3D Models

This app allows artists to quickly open and inspect 3D models from various cloud storage services and local files. It offers professional viewing tools, animation playback, and augmented reality capabilities, all processed on-device for privacy.

Open 3D models from cloud storageSupports over 20+ 3D file formatsProfessional inspection tools

🎨 Graphics & Design

Compare with Open3D

AI Image to 3D Model Maker

AI Image to 3D Model Maker

AI Image to 3D Model Maker

Photo to Scan, Print & Render

Transform any photo into a detailed 3D model instantly using AI. No 3D skills are needed, making it perfect for 3D printing, game assets, or creative projects. Scan real objects with LiDAR and even generate images from text to convert into 3D.

Convert any photo to a 3D modelScan real objects with LiDARGenerate images from text for 3D conversion

🎨 Graphics & Design

free with in-app purchases

Compare with Open3D