Shortlist by what you need
Start here if you know why you are leaving ImageToSTL.
Want the closest match?
Avatar SDKMost similar to ImageToSTL in what it does, its category and its price.
Visit (opens Avatar SDK in a new tab)Need a free plan?
CGDreamHas a free plan, rated 4.0 out of 5.
Visit (opens CGDream in a new tab)Want to pay less than ImageToSTL?
LumenFixFrom $7.5/mo, against from $19.9/mo for ImageToSTL.
Visit (opens LumenFix in a new tab)Want the best rated?
LucidpicRated 3.8 out of 5 in our review, against 3.6 for ImageToSTL.
Visit (opens Lucidpic in a new tab)
At a glance
Green means better than ImageToSTL, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
| 3.6 | $19.9/mo | Yes | AI converter that turns a PNG or JPG into a textured 3D model and exports STL, GLB or OBJ files for 3D printing, with credits and free browser tools. | ||
| 3.4−0.2 | Free | Yes | AI reconstructs your face from a single selfie and builds a full-body, fully-rigged 3D avatar in about a minute - trusted by AT&T, Microsoft, and Siemens. | vs ImageToSTL | |
| 3.7+0.1 | $19.9/moSame price | Yes | AI character consistency tool that keeps the same face, features and style across images and videos using reusable character and object references. | vs ImageToSTL | |
| 4.0+0.4 | $8/mo$11.9 less | Yes | AI image and 3D model generator from CGTrader combining text, photo, and 3D-guided rendering. | vs ImageToSTL | |
| 3.3−0.3 | Free | Yes | Type a prompt and pick a named model - Dreamlike Photoreal for realism, Dreamlike Anime for anime style, Stable Diffusion 2.1 on paid tiers - each tuned for a different aesthetic. | vs ImageToSTL | |
| 3.8+0.2 | $8/mo$11.9 less | Yes | AI image and video studio for generating photorealistic people, headshots, and product visuals without a camera. | vs ImageToSTL | |
| 3.7+0.1 | $7.5/mo$12.4 less | Yes | AI photo enhancer that unblurs, restores and colorizes photos and upscales to 4K or higher, with free daily credits and no sign-up required. | vs ImageToSTL | |
| 3.7+0.1 | $12/mo$7.9 less | Yes | AI sprite sheet generator that animates a character image into game-ready frames, plus free PNG-frame and MP4-to-sprite tools with PNG, JSON and ZIP export. | vs ImageToSTL | |
| 3.7+0.1 | Free | Yes | Photos, prompts or a child's name turned into printable colouring pages. | vs ImageToSTL |
The alternatives in detail
In order of how closely each one matches ImageToSTL.

Avatar SDK
3.4Free
vs ImageToSTL−0.2
AI reconstructs your face from a single selfie and builds a full-body, fully-rigged 3D avatar in about a minute - trusted by AT&T, Microsoft, and Siemens.
- AI reconstructs a 3D avatar from a single selfie in about a minute
- Realistic and cartoon style options
- Full customization - facial features, body type, hairstyles, outfits
Real enterprise adoption (AT&T, Microsoft, VMware, Siemens) proves production-grade reliability
Credit-based pricing beyond the first avatar can add up for heavy use

CharaSync
3.7$19.9/mo
vs ImageToSTLSame price+0.1
AI character consistency tool that keeps the same face, features and style across images and videos using reusable character and object references.
- Reusable character and object library
- Reference-image guided generation
- Image and video generation on paid plans
Free starter credits to test consistency
Free credits are one-time, not monthly

CGDream
4.0$8/mo
vs ImageToSTL$11.9 less+0.4
AI image and 3D model generator from CGTrader combining text, photo, and 3D-guided rendering.
- Text-to-3D and image-to-3D model generation
- 3D-guided image rendering using reference models for composition control
- Flux Dev and Flux Pro generation models built with Black Forest Labs
3D-guided composition gives more control than standard text-to-image tools
Credits expire at the end of the billing cycle if a plan is not renewed

OpenDream
3.3Free
vs ImageToSTL−0.3
Type a prompt and pick a named model - Dreamlike Photoreal for realism, Dreamlike Anime for anime style, Stable Diffusion 2.1 on paid tiers - each tuned for a different aesthetic.
- Multiple named AI models with distinct aesthetic specialties
- Text-to-image generation in seconds
- Customizable templates for quick creation
Multiple distinct models let users match the tool to a specific art style
Free tier limited to 2 of the available models

Lucidpic
3.8$8/mo
vs ImageToSTL$11.9 less+0.2
AI image and video studio for generating photorealistic people, headshots, and product visuals without a camera.
- AI-generated photorealistic people for commercial stock-style use
- AI headshot generator producing professional portraits from a selfie
- Full-body photo generation starting from a single face image
Ten-year track record (Lucid VR since 2015) rather than a brand-new startup
Free tier is capped at 10 generations a month, limiting real evaluation

LumenFix
3.7$7.5/mo
vs ImageToSTL$12.4 less+0.1
AI photo enhancer that unblurs, restores and colorizes photos and upscales to 4K or higher, with free daily credits and no sign-up required.
- Unblur, sharpen, restore and colorize photos
- Upscale to 4K and up to 8K print resolution
- Glare removal and text unblurring
Free daily credits without sign-up
Free tier is limited to daily credits and standard enhancement

SpriteFrame
3.7$12/mo
vs ImageToSTL$7.9 less+0.1
AI sprite sheet generator that animates a character image into game-ready frames, plus free PNG-frame and MP4-to-sprite tools with PNG, JSON and ZIP export.
- Animates a character image into sprite frames
- Eight motion presets with a free-text animation directive
- Configurable frame count, duration and frame size
Free tools need no credits
Free plan covers only about three AI sprite sheets

MyColoring.AI
3.7Free
vs ImageToSTL+0.1
Photos, prompts or a child's name turned into printable colouring pages.
- Photo, text or name converted into a colouring page
- Cartoon, realistic sketch, minimalist and mandala styles
- Simple, medium and complex difficulty levels
Difficulty levels address the variable that actually matters
No pricing figures and no company named
FAQ
Questions people ask
Is ImageToSTL free?
ImageToSTL has a free plan, and paid plans start from $19.9/mo.
What is the best free alternative to ImageToSTL?
CGDream is the highest-rated alternative here with a free plan (4.0 out of 5). Other free options: Lucidpic, CharaSync, LumenFix.
What is the cheapest alternative to ImageToSTL?
Among paid plans, LumenFix has the lowest starting price (from $7.5/mo). If you need it free, start with CGDream.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.
