River collection

Barefoot 3D printed shoes

Flexible TPU footwear with wide toe room and zero-drop feel. Many are breathable like printed socks; some models use a more closed watertight structure.

Toe

A barefoot River shoe with separated toes for more movement, using the same controlled wave-pattern idea as Onda: interleaved semicircular curves shaped around the foot.

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River’s best barefoot pattern for comfort and durability: a smoother inside surface that can be worn without socks, generated from direct Grasshopper toolpaths with interleaved semicircular curves per layer.

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Tora

A barefoot River shoe on the simple flat-bottom base, using a small-grid print pattern for a light breathable structure and generous toe room.

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G1

A barefoot River shoe using the same simple flat-bottom base with a heavier grid pattern: thicker lines than Tora for a stronger visual and structural rhythm.

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Eros

A barefoot River shoe where the print pattern repeats the word “love” in cursive, turning the structure itself into the graphic surface.

Una

A minimal watertight River shoe: simple, direct and focused on the essentials. Una keeps the barefoot-style fit cleaner and more closed than the open breathable models.

Mare

A relaxed watertight River shoe with organic lines and a soft visual rhythm. Mare keeps a more closed structure while staying flexible in TPU.

Riku

A barefoot River shoe in the middle of the grid family: visually and structurally between Tora’s small grid and G1’s thicker grid lines.

Loto

A softer-looking shoe file with a rounded, calm shape. Loto is less aggressive visually, made for a printed shoe that feels closer to a casual slip-on.

Koru

A barefoot River shoe built around a spiral pattern, like repeated cursive “e” shapes overlapping through the print path. The name Koru echoes the spiral idea behind the structure.

G0

A barefoot River shoe with the same grid pattern and base logic as the other flat-bottom models, printed at 45 degrees with the toe pointing down. That orientation makes the structure a little more closed than Tora or G1 and changes how the same slicing pattern appears on the shoe.

Mirai

A barefoot River shoe using the same grid family as G0 and G1, but printed at 45 degrees with the toe pointing up and the back resting on the build plate. The pattern comes from the same slicing logic, but the orientation gives Mirai its own surface rhythm.

Tale

A characterful shoe with a less standard silhouette. Tale combines flexible TPU, sculptural form and the surprise of wearing a printed object that actually moves with your foot.

Aspys

A barefoot River shoe with the same grid family as G0, G1 and Mirai, printed vertically. The two shoes print as a mirrored pair fused at the collar, then are separated with scissors after printing.

Fit and print guides

3D PRINTED SHOES

Are 3D printed shoes actually comfortable?

The honest answer: they can be comfortable, but only when shape, TPU hardness, sizing and first-wear expectations all line up.

Read guide Toe

MATERIAL GUIDE

TPU for 3D printed shoes: 82A, 85A, 95A and what changes on foot

A practical guide to softness, durability, print difficulty and why harder TPU can print well but feel worse.

Read guide Onda

TPU SHOES

Can you 3D print shoes in TPU?

Yes, but the result depends on TPU hardness, layer bonding, shoe geometry and how honestly the first pair is tested.

Read guide Taka

FIT GUIDE

How to choose the right size for 3D printed shoes

Foot length, toe room, EU sizing, socks and why scaling a shoe file is not the same as choosing a size.

Read guide Tora

CUSTOM SHAPE

How River custom shape is generated from two foot photos

The paid custom flow uses one top view of both feet and one side-profile photo of one foot so the shoe geometry can be adjusted manually around a real foot.

Read guide Toe

SOLE & GRIP

Do 3D printed shoes have grip on wet floors?

The grip question comes up constantly. Here is the realistic difference between TPU texture, dry floors, wet tile and adding a thin sole.

Read guide Taka

Also from River Family

Soled 3D printed shoes

Taka

The thin-soled version of Tora: the same small-grid barefoot idea with a fine sole added for more ground protection while keeping the upper light and breathable.

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Air purifiers

Roy

A quiet, USB-powered air purifier that just does its job. Cleaner room air from a printed object that actually looks like it belongs on the shelf — no humming appliance, no exposed electronics.

Print files

Ice air coolers

Yuki

A full-size ice-pack air cooler built from printed parts, a quiet USB fan and a frozen water pack. Freeze the pack overnight, place it inside, and Yuki sends a steady cooler stream across the desk with very low power use.

Print files

Water filters

Jem

A polypropylene tap water filter for activated carbon. The flower-like top opens for filling, the body attaches to standard taps, and the bottom grid holds carbon while water passes through. Joined G-code keeps the water path cleaner by reducing micro-stringing.

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