FULLY 3D PRINTED — NO LACES — NO GLUE — SOFT TPU ONLY — PRINT · WEAR · WALK — FULLY 3D PRINTED — NO LACES — NO GLUE — SOFT TPU ONLY — PRINT · WEAR · WALK — 
🤫 secret drop 001 · you followed the footprints

SOLE
ARCHIVE

You can 3D print actual shoes. Ones you wear outside. The whole game is one word: softness.

100% printed 0 laces · 0 glue

01The Plastic

Shoes live or die on the filament. Regular hard plastic (PLA) makes a shoe-shaped brick. You want TPU — flexible filament — and the number on the spool (Shore hardness, like 85A or 95A) decides everything.

"The harder the TPU, the worse the shoe." Backed by the filament makers themselves: a whole shoe in hard 95A is "a heavy, dense shoe with zero shock absorption — it bends but doesn't bounce." (Siraya Tech)
60A · jelly75A85A90A95A+ · brick
~75A cloud mode

Ultra-soft, squishy like a running-shoe sole. Raw 75A filament is nearly unprintable (it buckles like a wet noodle) — this softness is what MorPhlex reaches after printing.

85A the sweet spot

Midsoles & insoles. Squishes under your heel, springs back with every step. Needs direct drive + slow printing (~15–30 mm/s), but this is the comfort zone.

90A firm flex

The easy printer: feeds cleanly, still flexes. Most wearable shoe models (like the Airberry) are tuned for TPU 90A.

95A+ outsole only

Great where the shoe meets concrete — hard-wearing tread that survives the street. But a WHOLE shoe in 95A? Heavy, stiff, zero bounce. That's the trap.

MOR
PHLEX
The cheat code: BIQU MorPhlex. A "variable hardness" TPU made for shoes. It prints firm at 90A — so it feeds through the printer like a normal, easy filament — then softens to about 75A afterwards. You print at brick-hardness, you walk on cloud-softness. Best of both worlds, and exactly why soft-after, firm-during beats plain hard TPU.

02The Drop

Real, wearable, free models — hunted from every platform. Print at 100% for the base size, or scale to your foot.

★ grail of the drop

Airberry — lightweight sneaker

by CloudBerry · MakerWorld · TPU 90A · 0.4mm nozzle

A real slip-on sneaker with a no-lace tension system and zoned insides: flexible midsole, wear-resistant outsole, breathable knit-style upper (the Crosszag infill trick makes plastic feel like fabric). Ready-sliced profiles for Bambu printers — and adjustable to your exact foot.

Get the Airberry ↗ More CloudBerry ↗
▚ MakerWorld
casualBubbleberryCloudBerryRound-toe slip-on, TPU 90A, fabric-soft zoned infill. casualWhaleberryCloudBerryThick generative sole, whale-inspired upper. slideAdilette SlidesMakerVerse Designs21,900+ downloads. Prints standing, no supports on textured PEI. clogCrocs (wearable)MakerVerse DesignsTPU clog + PLA snap button. Kids version exists too. sneakerCityStepDjangoCashflowKnit-like breathable upper — no solid outer wall. sneakerDragon SoleAsphalt3DThe yellow/black Game-of-Death colourway. Tunable cushioning. casualVeloformMadaiOne-piece wavy organic shoe, soft zigzag TPU build. slideQuick-Print SlidesMakerWorldBoth slides in ~6 hours — snap-fit, no glue.
▚ Printables
barefootTora BarefootRiver FamilyThe Printables standout — 7K downloads, no supports, multi-size. barefootG1 BarefootRiver FamilyThe original of the whole barefoot line. sneakerBarefoot SneakersgimpelginsterSoft TPU 85A, sizes EU 35–47 by foot length. slideWavy SlidesHow To HomemadeWave-grip sole remix, support-free standing print. sandalFlexible Flip FlopZachMods≤5% infill base = squish. Press-fit strap, no glue.
▚ Thingiverse · the classics
sneakerRecreus Sneakers IIIgnacio García (Recreus)THE legendary one — the model that proved printed shoes work (by the makers of Filaflex). browseMore classicsThingiverseTyro 119, Palmiga sandals, wearable slides & more.
▚ keep digging
collection3D-Printed ShoesMakerWorld collection collectionTPU ShoesMakerWorld collection searchTPU shoesPrintables search

03Print Rules

TPU isn't hard — it's just different. Six rules and your shoes come out right:

  1. Go slow. 20–40 mm/s (20–30 for extra-soft). Almost every failed flexible print is speed, not the material.
  2. Direct drive only for soft TPU. Pushing floppy filament through a long Bowden tube is pushing a wet noodle — it buckles. 95A survives Bowden; 85A and softer usually won't.
  3. Dry the filament. TPU drinks moisture from the air → stringy, bubbly, weak prints. Dry it before a big shoe print.
  4. Print them standing. Shoes print upright on the plate — that's how the designs are meant to go, and standing on textured PEI they need no supports (TPU supports fuse on and never come off).
  5. Use the designer's infill. If the model page or its print profile says a specific infill — pattern or percentage — use exactly that: the designer tuned it for the shoe. No spec given? Then 10–25% gyroid is your fallback — it flexes evenly like foam. More air = squishier step.
  6. Wear them wet. TPU is abrasion-tough and doesn't care about water — people print shower slides. Mild soap, rinse, air-dry.
Fit tip: print ONE insole first. One flat insole tests your size, your filament and your printer for pennies — before you commit 40 hours to a full pair.
SECRET DROP 001 · SOLE ARCHIVE. A hidden bonus inside The Operation Series — found by following a chick's footprints, obviously. Every model belongs to its designer (CloudBerry, MakerVerse Designs, River Family, Ignacio García/Recreus & friends) — links go to their pages, nothing is hosted here. Leave them a like and a make; makers run on that. Check each model's licence before printing. Print for your own feet, not for sale. Shoe fit is personal — printed shoes are awesome, but they're a hobby project, not medical footwear.