Guides
Everything on turning a description, photo, or image into a printable 3D file — no CAD required.
Free Parametric Templates
Proven starters — brackets, knobs, gears, boxes. Set the dimensions and download the STL, no account.
AI STL Generator
Describe a part in plain words and get a validated, printable STL/3MF/STEP file.
Photo to 3D Print File
Turn a photo — a portrait for a lithophane, or a broken part — into a printable file.
Replace a Broken Part
Photograph a snapped bracket, clip, or gear and get a printable replacement.
Image to 3D Print
Skip the Inkscape-to-CAD vector pipeline — turn a JPG or PNG into a printable file directly.
AI Bracket & Mount Generator
Describe a custom bracket, mount, or enclosure and get a file that fits.
3D Printing Without CAD
For makers who already print and slice, but don't want to learn CAD for one-off parts.
Fix Non-Manifold Edges
What non-manifold geometry is, how to repair it in Blender, and how to skip the repair step.
Design for 3D Printing (DfAM)
Watertight is not enough — wall thickness, overhangs, fits, and orientation for AI-generated STLs.
AI Miniature Generator
Describe a D&D or tabletop figure and get a printable STL — no ZBrush or Blender.
What Is an STL File?
What STL stores, why printers use it, how it differs from OBJ/STEP, and how Formo builds one from text.
Free AI 3D Generators Compared
Hands-on July 2026 look at which free AI 3D tools actually let you download a printable file.