
Online configurator for custom plastic parts
Research, redesign and validation of Formary's thermoforming configurator — from customer interviews to a tested, developer-ready prototype and design system.
Companies order custom thermoformed parts in Formary's online configurator, but it guided expert users poorly: no editing of several products at once, unclear automations and no field for special needs — so people called support. 24% were on mobile, and it wasn't optimised.
Interviews with 8 customers, a UX audit and a prototype test with 9 people from sales, dev and marketing, which moved product type before file upload. Then 7 clear steps with progress, three upload zones, an NDA option and multi-item editing, tested 1-on-1 with 4 former clients in German.
Task time −35%, errors per session 3.1 → 1.7, ease of use 8.5/10, 85% task completion and NPS 50. Delivered an interactive prototype with six user scenarios, a design system and developer handoff.
Sole product designer: research, UX audit, IA, interaction design, UI, design system, prototyping, usability testing and developer handoff.
UX/UI designer (me) · front-end developer · back-end developer · marketing
Formary, Stuttgart — B2B platform for custom thermoformed plastic parts




























