Editor’s Note
This article highlights a key challenge in 3D-printed footwear—bridging the gap between innovative manufacturing and mainstream consumer expectations for comfort, cost, and style. Hek Lab’s EDDY shoe represents a focused attempt to make additive manufacturing more wearable, both literally and commercially.

Design studio Hek Lab has launched the EDDY shoe, a 3D-printed shoe designed for everyday use. With this, the company addresses a well-known issue in the additive manufacturing shoe market: many buyers are reluctant to purchase if the shoe’s material, price level, delivery time, and often experimental design language differ from what they are accustomed to. Hek Lab developed the platform from Zellerfeld, which, according to the company’s own information, has so far been used primarily for creating concept prototypes.
Therefore, EDDY’s focus is not on eye-catching concepts but on wearable products for daily use. The design is based on the natural shape of the foot, aiming to provide a lightweight, grounded walking sensation. The shoe is produced on-demand using Zellerfeld’s proprietary manufacturing process. The company operates a printer farm consisting of internally developed 3D printers that utilize specialized material extrusion technology. The material used is ZellerFoam, a specially developed thermoplastic polyurethane (TPU).
Particularly significant from a technical standpoint is its design as a continuous, single-material component. Seams and adhesives are completely eliminated, simplifying the assembly process and aligning with recycling strategies. According to Zellerfeld, this material can be fully processed into new material pairs. The company also mentions the current GEN3 system, which reportedly offers significantly increased printing speeds compared to previous generations. This is a crucial factor for on-demand production, as it allows for better control over production time and unit cost.
Hek Lab employs a herringbone pattern for the outsole profile, which the company says provides traction on various surfaces. The upper features an open mesh structure for breathability and flexibility; a high sidewall design offers better foot protection in wet conditions. EDDY became available on December 11th, priced at $149.