12 Open-Source 3D Printed Shoes You Can Download

Open-source 3D printed shoes are footwear designs published as free or low-cost STL files that anyone can download, resize and print at home. Almost all of them print in flexible TPU on a direct-drive FDM printer. Below are twelve designs with live download links, the materials and slicer settings their designers actually publish, and what to expect from durability.

Thermoplastic polyurethane (TPU) is the elastomer these designs rely on: a flexible, abrasion-resistant plastic whose stiffness is graded on the Shore durometer scale, where 85A is soft and springy and 95A is firmer and far easier to print. Shoe sizing in these files is normally expressed as EU size or as Mondopoint — the foot length in millimetres — because that is the only measurement that scales cleanly.

12 Open-Source 3D Printed Shoe Designs: The Comparison Table

Every row below links to a page that is live and downloadable. Where a designer publishes a material, a size or a slicer setting, it is quoted from their page; where they do not, the cell says not stated rather than guessing.

What Are Open-Source 3D Printed Shoes?

The ability to 3D print shoes has quickly gone from being a niche experiment to a practical method for creating custom footwear. This progress is mainly thanks to the development of new flexible and durable printing materials, alongside more affordable and capable 3D printers. A key part of this movement is the "open-source" approach.

In the context of 3D printed shoes, "open-source" means that the digital blueprints — the design files, usually in STL or STEP format — are made freely available. Designers often share these under licenses like Creative Commons, which permit anyone to download, modify, improve, and redistribute the designs. The Aspys barefoot shoe, for example, is released CC0, which places it in the public domain outright.

The 12 Designs in Detail

1. 3D Printed Clog-Style Shoes

Clogs are the easiest entry point: a single closed-toe shell with ventilation holes, inspired by popular foam clogs, printed in one piece in TPU. The MakerVerse Designs version is the reference file most other clogs remix.

Published by the designer: 390 g of TPU plus 5 g of PLA or PETG for the mounts, 2 walls with 15% gyroid infill on the shoes, EU size 42 and scale uniformly. Prints standing up with no support on a textured PEI plate, or with support on a less grippy surface. Download the fully 3D-printed clogs.

2. 3D Printed Slide Sandals

Slides are one-piece open sandals with a single strap over the instep — the shortest print in this list and the best first attempt at footwear.

Published by the designer: eSun eTPU-95A, 10% gyroid infill, 2 wall loops, a 10 mm outer brim, "avoid crossing walls" enabled, EU size 43. The page notes that around 90A would be more comfortable but harder to print. Download the wavy-sole slide shoes.

3. Palmiga Ribbon Sandals

Palmiga Innovation is the designer who effectively started printable footwear, and the ribbon sandal is the design the whole category grew out of: an elegant, lightweight, breathable strap structure.

Published by the designer: printed in ETPU 95-250, modelled at roughly 233 mm long by 96 mm wide, with a printable A4 template so you can rescale to your own foot before slicing. Download the Palmiga Ribbon Sandals V3.1.

4. Waverrior 3D Shoes

A recognisable one-piece slip-on with rows of holes across the upper. The perforations are structural rather than decorative — they provide the elasticity that lets a rigid-looking shell flex around the foot, plus ventilation and weight reduction.

Published by the designer: a design write-up only; no slicer settings are given, so treat any published TPU profile as your starting point. Download the Waverrior 3D Shoes V1.

5. 3D Printed Running Shoes

The most ambitious category. Printed running shoes attempt to reproduce a cushioned midsole and a structured upper in a single flexible material, and the honest assessment is that they remain experimental rather than a replacement for a commercial running shoe.

Published by the designer: "use TPU filament", with no further settings. Download the 3D printed running shoes.

6. Voronoi and Generative Pattern Shoes

A Voronoi diagram partitions a surface into cells around seed points, and applying it to a shoe upper produces an open lattice that is light, breathable and stiff in the directions that matter. This is the pattern commercial 3D printed footwear made famous.

Published by the designer: 0.2 mm line height, 235 °C nozzle, 35 °C bed, 10% infill, 3 wall loops, 4 top and bottom layers, 65% infill/wall overlap, and 202 g of material at EU size 40. Printed in Bioflex, Fiberlogy 40D or TPU 93A. Download the ION Fire Voronoi shoes (paid).

7. Modular 3D Printed Shoes

Modular designs split the shoe into separately printable parts — sole, insole, upper, tread — so each can use a different material and a worn component can be reprinted on its own. GraveDigger is the clearest worked example, and its designer is refreshingly blunt about the result.

Published by the designer: TPU around Shore 95A for the uppers, lowers, tread and insole, with a rigid PLA structural sole. Sole at 3 × 0.4 mm perimeters and 15% gyroid; insole at 13% gyroid, to be tuned to your body weight; painted-on supports in three areas; parts bonded with superglue. The page warns to expect several attempts and six hours or more of assembly and cleanup. Download the GraveDigger modular shoes.

8. Minimalist "Barefoot" Shoes and Sandals

Barefoot designs use a thin, flexible single-material sole that protects the foot while allowing natural movement. Aspys is the best-documented file in this entire list — and the only one that publishes both a print time and a filament weight.

Published by the designer: 9 to 12 hours and 120 to 160 g per pair depending on size; a 0.6 mm nozzle is required for the supplied gcode; 0.36 mm layer height, zero wall loops, zero top and bottom layers, gyroid or grid infill at 18 mm/s, no supports. Recreus 82A and 3Dfils 85A were used; the designer suggests starting with a standard TPU 95A and explicitly warns against high-speed or high-flow TPU grades, which come out too stiff. Released CC0. Download the Aspys barefoot shoes, or the related TrƐaDs barefoot shoe, which uses height-range modifiers to vary sole stiffness inside a single print.

9. Parametric Shoe Designs and Generators

A parametric design is a script rather than a fixed mesh: you enter your measurements and the model is regenerated to fit. Sloffies is fully parametric, open source, and published with its OpenSCAD source on GitHub.

Published by the designer: 95A TPU for soles and straps, 15% infill as a starting point and 10% if you want more squish, plus a small test print so you can dial infill density in for your specific filament before committing to a full pair. Download Sloffies or read the OpenSCAD source. If you want to build your own generator, the OpenSCAD library index is the place to start.

10. Platform Shoes and High Heels

Heels are the one category where flexible filament is the wrong answer. The heel column is a compression member, so these designs call for rigid materials and are generally intended for cosplay and display rather than daily wear.

Published by the designer: PLA+, PETG or ABS; 0.16–0.2 mm layers; supports required under the arches, heel and frame; 100% infill for durability. The listing states plainly that wearable use requires measuring, editing and printing test shells first. Download the Exo Skeleton Heels (paid), or browse free high heel models on Yeggi.

11. Flip Flops and Thong Sandals

The lowest-material design here: a flat sole with a Y-strap that is assembled mechanically rather than glued, so the ribbon can be replaced without reprinting the sole.

Published by the designer: FormFutura Python Flex TPU 90A, with the print profile tuned specifically to that filament; EU size 43, scale uniformly. Download the 3D-printed flip flops.

12. Shoe Lasts and DIY Shoemaking Tooling

A shoe last is the foot-shaped form that a shoe is built around — the oldest tool in shoemaking, and one that 3D printing makes personal for the first time. Printing a last lets you make conventional shoes to your own foot shape rather than printing the shoe itself.

Published by the designer: a size 42 last released as part of the OpenFootwear project, with full instructions on the OpenFootwear site. Download the OpenRun shoe last.

Choosing the Right Material: Shore Hardness Decides Everything

Shore hardness is a measure of a material's resistance to indentation, reported on the A scale for elastomers and the D scale for rigid plastics. For footwear it is the single most consequential choice you make, because it sets both how the shoe feels and how hard it is to print.

PEBA deserves a mention because it is the material class the sports industry uses for performance midsoles. QIDI's PEBA 95A is specified at 1.01 g/cm³ density, over 70% rebound against 50–60% for standard EVA foam, 32.58 ± 0.64 MPa tensile strength and elongation at break above 1,100%, and it stays flexible down to −40 °C. It also needs drying at 70–75 °C for 4–6 hours before use — like every elastomer, it is hygroscopic.

TPU Print Settings for Footwear

The reason soles are printed with zero walls and low gyroid infill is worth stating plainly: in a printed shoe, the infill lattice is the cushioning system. Raising infill makes the sole harder, not stronger. The GraveDigger designer ties insole infill directly to body weight for exactly this reason. For the wider flexible-filament workflow, the TPU printing guide and the flexible armour guide use the same profiles at different hardnesses, and filament drying matters more here than for any rigid material. Whether your machine can handle 85A at all comes down to the extruder — the direct drive versus Bowden comparison explains why.

Getting the Size Right

Most of these files are published at one EU size and expect you to scale uniformly. That works, but only if you start from a real measurement rather than your usual shoe size.

1. Stand on a sheet of paper with your heel against a wall and mark the tip of your longest toe. Measure heel to mark in millimetres — that number is your Mondopoint length.
2. Add 5–10 mm of toe allowance. Printed shoes have no lining to compress.
3. Divide your target length by the model's stated length to get the scale factor. A 265 mm foot in a file modelled at EU 43 (roughly 275 mm of internal length) scales to about 96%.
4. Scale uniformly unless the designer says otherwise. Scaling one axis distorts the sole lattice and changes how the shoe cushions.
5. Print one sole-only test at your scale factor before printing a pair. A failed sole costs an hour; a failed pair costs a day.

If you want a reference for how foot length maps to conventional sizes, the Brannock Device is the standard measuring instrument, and Mondopoint is the system technical footwear uses because it needs no conversion table. Palmiga's sandals ship with an A4 template for exactly this purpose; Sloffies regenerates the geometry from your numbers instead.

Durability: What to Realistically Expect

Printed footwear is genuinely wearable, but it is not equivalent to moulded footwear, and the failure modes are predictable enough to design around.

• Layer adhesion is the weak axis. A printed shoe delaminates before the material itself tears. Print hot within the filament's range and keep it dry.
• The heel strike wears first. That is where every step concentrates. Designs with a separate replaceable tread — GraveDigger, for instance — exist specifically to address this.
• Sole thickness and infill set the comfort ceiling. Thin, high-infill soles transmit impact straight to the heel. Aspys uses a low-density gyroid across the full sole depth for this reason.
• Heat and UV matter. A TPU shoe left in a hot car will deform. UV-stable grades exist and are worth choosing for anything worn outdoors.
• Expect iteration. Almost every designer in this list says the same thing — you will print a test, adjust, and print again. Budget filament for two attempts.

Treat these as sandals, slides, house shoes and experimental projects rather than as safety footwear or running shoes for long distances.

Where to Find More Open-Source 3D Printed Shoe Designs

Beyond the examples listed above, numerous online platforms host open-source 3D printed shoe designs. Here are the primary places to search:

1. Popular 3D Model Websites

• Printables.com: The deepest current collection of footwear, and the platform where designers most consistently publish real slicer settings.
• Thingiverse: One of the largest repositories, and where the earliest printable footwear — Palmiga's work in particular — still lives.
• Cults3D: A marketplace with strong lattice and fashion designs from independent creators; most footwear there is paid but inexpensive.
• MyMiniFactory: A mix of curated free and paid designs, with an emphasis on print-testing.
• GitHub: Where the genuinely open-source parametric projects live, including the OpenSCAD source for Sloffies.

2. Community Platforms and Designer Channels

• Reddit: Subreddits such as r/3Dprinting and r/functionalprint surface user-made pairs with honest wear reports, which model pages rarely include.
• Designer sites and Patreon: OpenFootwear, ION3D and Palmiga all publish outside the big repositories as well.

3. Helpful Search Keywords

Try terms like "parametric shoe", "generative footwear", "TPU sandal", "3D printed clog", "flexible shoe", "DIY sneaker", "customizable shoe STL", "barefoot sole" or "open-source shoe last".

Frequently Asked Questions

Can you actually 3D print wearable shoes at home?

Yes, for sandals, slides, clogs and minimalist barefoot shoes. Those print in one piece in TPU on a consumer direct-drive FDM printer and are worn daily by their designers. Cushioned running shoes and structural high heels remain experimental.

What filament is used for 3D printed shoes?

TPU, almost always. TPU 95A is the standard starting point because it is the easiest flexible grade to print; 85–90A is softer and more comfortable but needs a well-tuned direct drive at 15–25 mm/s. PEBA is used where high energy return matters, and rigid PLA or PETG appears only in heels, structural soles and lasts.

How long does it take to 3D print a pair of shoes?

The Aspys barefoot shoes state 9 to 12 hours per pair at a 0.6 mm nozzle. Simpler slides and flip flops are faster; multi-part modular shoes take longer and add several hours of assembly. Most designers do not publish print times, so slice the file to get a real figure.

How much filament does a pair of 3D printed shoes use?

Roughly 120 to 400 g depending on size and design. Aspys states 120–160 g per pair, the ION Voronoi shoe weighs 202 g at EU 40, and the fully printed clogs use 390 g of TPU plus 5 g of rigid filament.

Do 3D printed shoes need a special printer?

They need a direct-drive extruder to feed flexible filament reliably, and a build plate long enough for the sole — most adult sizes need around 280 mm on the diagonal. No high-temperature hardware is required; TPU prints at 225–235 °C. All current QIDI printers use direct drive.

Are 3D printed shoes comfortable?

That depends almost entirely on sole infill and material hardness rather than on the design. A low-density gyroid sole in 85–90A TPU feels close to a foam sandal; the same shape at high infill in 95A feels rigid. Print a sole-only test before committing to a pair.

How long do 3D printed shoes last?

There is no published figure that would be honest to quote, because it depends on material, sole thickness, body weight and surface. What is predictable is where they fail: layer delamination and heel-strike abrasion. Modular designs with replaceable treads are the practical answer.

Are open-source shoe files free to sell prints of?

Check the licence on each file. CC0 files such as Aspys place no restriction; other Creative Commons variants may prohibit commercial use; paid Cults3D models come with their own terms. The licence is always stated on the model page.

Customize Your Own 3D Printed Shoe Project

Getting into open-source 3D printed shoes offers a rare combination of technical learning and something genuinely useful at the end. Start with a slide or a flip flop in TPU 95A, measure your foot properly, print one sole as a test, and only then commit to a pair. From there, the parametric files and modular designs let you tune fit and cushioning in ways that no shop can. Choosing the right 3D printing filament matters more here than in almost any other project, and if you are still deciding on hardware, our guide to which 3D printer can make shoes covers what to look for.