From the first sketch to the firmware.
CAD, printed parts, electronics and code — designed, built and assembled by one engineer who owns the whole stack.
Services
Pick one stage or hand over the whole build. Every service ends with files you own.
S-01 · 3D design & CAD
SolidWorks and Fusion 360 design for parts, assemblies and prototypes — built to print, machine or mold.
Turnaround: 2–5 days
S-02 · 3D printing & prototyping
FDM printing on a Bambu Lab X2D (two nozzles, heated chamber) and P1S: PLA and PETG, flexibles, and engineering materials such as ABS, ASA, nylon, PA-CF and PC, with calibration and post-processing.
Turnaround: 1–4 days + post-processing
S-03 · Embedded systems & IoT
ESP32 and Arduino firmware: sensors, OLED interfaces, BLE and Wi-Fi, motor control, persistent storage.
Turnaround: Quote on request
S-04 · Full custom builds
The whole product, end to end: CAD, firmware, PCB, printing and assembly.
Turnaround: 2–6 weeks
Work · 29
- FamFive — IoT, 2025. ESP32 redesign of the smart piggy bank, packaged as a product.
- Automated cocktail dispenser — Mechanical, 2025. Eight-channel solenoid manifold, microcontroller, and a recipe book.
- Engineered backpack buckle — CAD, 2025. Functional 3D-printed buckle with full strength calculation and material trade-off.
- 440 Hz precision whistle — CAD, 2025. A 3D-printed whistle tuned to musical A — designed from acoustic first principles.
- Garden hose universal adapter — Mechanical, 2025. Bridges Gardena quick-connect to G3/4 male threads when the OEM piece breaks.
- Modular drawer divider system — CAD, 2025. Tile-and-spacer divider set sized parametrically to any drawer.
- Replacement bike light bracket — Mechanical, 2025. Drop-in replacement for a snapped OEM front-light bracket — no need to buy a new lamp.
- Universal vacuum hose adapter — Mechanical, 2025. Stepped cone that connects shop-vac hoses to power-tool dust ports of any size.
- Scheduled pet feeder — IoT, 2025. ESP32 and auger servo dispense a measured portion on schedule, with manual override in the web UI.
- Plant moisture monitor — IoT, 2025. ESP32-C3 and a capacitive probe light an LED and ping Telegram when the soil gets dry.
- Door-open Telegram bot — IoT, 2025. Reed switch and ESP32 send a Telegram message every time a chosen door opens.
- Wi-Fi fridge thermometer — IoT, 2025. DS18B20 inside, ESP32-C3 outside; pushes temperature to a local dashboard and alerts on excursion.
- RFID drawer lock — Embedded, 2025. ESP32 and an MFRC522 reader unlock a 9 g servo bolt when an enrolled card is presented.
- Heat-set insert wall anchor — CAD, 2025. Drywall anchor with an embedded M3 brass insert for reusable, removable threaded mounts.
- Arca-Swiss quick-release plate — Mechanical, 2025. Printed dovetail plate that fits standard Arca-Swiss clamps — a backup for when the metal one walks away.
- Reinforced shelf bracket — Mechanical, 2025. Triangular bracket calculated for 15 kg per shelf, printed in PETG with three perimeters.
- TPU scooter handlebar grip — CAD, 2025. Custom-fit grip printed in TPU 95A with a knurled pattern for wet-hand traction.
- Snap-on desk cable clip — CAD, 2024. Edge-mounted clip that keeps charger and headphone cables from sliding off the desk.
- Adjustable door wedge — CAD, 2024. Door wedge with a thumb-screw to dial in the holding force on uneven floors.
- Under-desk headphone hook — CAD, 2024. 3M-mounted hook with a wide saddle so the headband doesn’t deform.
- Childproof blind cord cleat — CAD, 2024. Wall-mounted cleat that wraps blind cords above child-reach height.
- Magnetic-back drill bit rack — CAD, 2024. Stepped rack for HSS bits 1.0–10.0 mm with neodymium magnets that stick to the toolbox lid.
- Bedside phone wall dock — CAD, 2024. Wall-mounted dock with a hidden cable channel — the phone charges flat against the wall.
- Adjustable tablet stand — CAD, 2024. Two-piece stand with a friction hinge that holds 30°–80° viewing angles.
- Ergonomic laptop riser — CAD, 2024. Two L-shaped feet that lift any 13–16" laptop to eye level.
- Replacement washing machine knob — CAD, 2024. Direct replacement for a snapped D-shaft knob — saves a €40 service call.
- Wall-mount screwdriver rack — CAD, 2024. 12-slot rack sized to the actual diameters of a mixed Wera/Wiha set.
- Magnetic desk cable holder — CAD, 2024. Loose-cable catcher with a magnetic base — pull a cable, the magnet stays.
- Laptop charger strain relief — CAD, 2024. Slip-on TPU spring that doubles the cable’s life at the brick exit.
News
- New in the workshop: Bambu Lab X2D () — A dual-nozzle printer with an actively heated chamber now runs next to the P1S, so strong engineering materials and cleaner supports are part of every quote.
About
I’m Nace Kepa, an industrial automation and electrotechnics student at Šolski center Kranj. I work across mechanical, electrical, firmware and assembly instead of one isolated specialty, so the part, the board and the code are designed for each other from the first sketch.