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3D printing

File formats, viewers, converters, printers and AI image-to-3D workflows, written for people who actually slice and print.

A 100 x 130 mm portrait plaque relief of a dog made from a photo in Depthue Studio, with depth and lettering settings in the inspector

3D printing

How to Turn a Photo Into a Bas Relief STL for 3D Printing

Turn a photo into a bas relief STL you can 3D print: make a depth map, build the relief with a base and rim in mm, and print it. Three free routes compared.

November 5, 2026 3 min read

A sign, a box with a lid, a keychain and a QR code plate made from settings on a 3D printer build plate in Depthue Studio

3D printing

How to Make an STL File: 6 Ways, From Scratch or From What You Have

How to make an STL file for 3D printing for free: model it, build it from settings, turn a photo, logo or text into one, convert a CAD file, or use AI.

November 4, 2026 4 min read

3D printing

Meshy vs Tripo for 3D Printing: Price, Credits, Exports and Rights

Meshy vs Tripo compared for 3D printing from their own pages: free credits, paid plans, STL and 3MF export, print tools and who owns free-plan models.

November 4, 2026 2 min read

A sign, a box with a lid, a keychain and a QR code plate modelled from settings on a 3D printer build plate in Depthue Studio

3D printing

The Best 3D Modeling Software for 3D Printing in 2026

The best 3D modeling software for 3D printing, free and paid: Tinkercad, Fusion, Onshape, Blender, FreeCAD, OpenSCAD, Shapr3D, Womp and Depthue Studio.

November 2, 2026 5 min read

A grey printed figurine, an orange twisted vase and a small lithophane next to a filament spool and a kitchen scale on a dark workbench

3D printing

How Much Does 3D Printing Cost? Real Numbers, and How to Price Prints to Sell

What a 3D print costs at home or from a service: filament, power, wear and failures, resin vs FDM, and a pricing formula with Etsy fees for prints you sell.

October 8, 2026 7 min read

A grey 3D printed bracket cut into two halves beside calipers, a hobby knife and a laptop showing a wireframe mesh

3D printing

How to Edit an STL File: The Right Free Tool for Each Change

How to edit an STL file for free: scale, cut, add text, combine parts or cut holes in your slicer, Tinkercad, Blender, Fusion or FreeCAD, matched to the job.

November 2, 2026 11 min read

A clean grey 3D printed vase next to a failed print of the same vase with gaps and stringy spaghetti on a build plate

3D printing

How to Fix STL Files: Holes, Non-Manifold Edges and Other Errors

How to fix STL errors: what open edges, non-manifold edges, flipped normals and self-intersections mean, what your slicer is saying, and the fix for each.

October 8, 2026 8 min read

A 3D printed statue on a desk next to a laptop and a filament spool

3D printing

The Best STL Viewers for Windows, Mac, Android and iPhone (2026)

Free ways to open STL, OBJ and 3MF files in 2026 now that Microsoft 3D Viewer is gone: browser viewers, slicers, MeshLab, Blender and apps for phones.

September 24, 2026 3 min read

Several printed parts on a 3D printer build plate beside digital calipers

3D printing

How to Convert 3MF to STL: 4 Free Ways (No Upload Needed)

Convert 3MF to STL with a free in-browser converter, Bambu Studio, OrcaSlicer, PrusaSlicer, Cura or Blender, and what STL keeps from multi-object plates.

September 21, 2026 2 min read

A 3D printed painted fox figurine next to a printed reference photo of the fox

3D printing

How to Make a 3D Model From a Single Image With AI (2026)

Turn one image into a printable 3D model with AI: preparing the image, Hunyuan3D vs Meshy vs Tripo, licensing, and making the mesh watertight for printing.

September 21, 2026 2 min read

White nylon SLS parts being brushed out of powder

3D printing

The Best SLS 3D Printers in 2026 for Small Businesses and Labs

SLS 3D printers explained for makers moving up from FDM or resin: Formlabs Fuse 1+ 30W, Sinterit Lisa X, Sintratec S3, EOS Formiga P 110, and print services.

September 21, 2026 2 min read