OpenFloat Archery
A tiny bow-mounted sensor and a browser dashboard for seeing what happens before, during, and after a shot.
Devan Metz’s projects
About me
I’m Devan, an electrical engineer and maker. I build software and physical projects, from browser games and bow sensors to an electric bike and printed instruments.
All projects
42 projects
Goop Troops
A multiplayer strategy game where territory grows like an organism and one cut can break an opponent’s supply line.
DIY Electric Bike
A bicycle conversion combining a custom belt drive, CAD-designed mounts, and an ESP32 dashboard.
3D-Printed Rainbow Violin
A rainbow Hovalin printed on a CR-10, assembled with guitar tuners, and put to the test—from plucked strings to the first days of bow practice.
Solar Cellular Trail Camera
A wildlife-camera engineering prototype spanning low-power firmware, a private gallery, and a modular printable enclosure.
nRF54L15 Support
Portable C libraries and Zephyr drivers for the Nordic nRF54L15 with examples for the Seeed XIAO nRF54L15 Sense.
6×10 WS2812 Matrix for XIAO nRF54L15
Zephyr examples and docs for driving Seeed's 6×10 RGB WS2812 matrix from a XIAO nRF54L15 with a GPIO bit-bang driver.
KICKR CORE 2 Hub
An indoor cycling cockpit with virtual shifting, a 3D riding world, live trainer telemetry, and game-style progression.
Hand-Painted Rust Props
Game objects made physical—printed satchels, tools, a storage chest, and display replicas finished by hand.
Rust Furnace Lamps
Hand-painted furnace replicas with glowing interiors, from small shelf pieces to a larger USB-powered build.
RuneScape Prints & Props
A printed Jad figure and a hand-painted dagger that bring angular game designs onto the workbench.
OpenRP
A multiplayer city sandbox in the browser, with jobs, property, businesses, and server-owned physics.
OpenMic
A native Windows and Linux microphone cleaner and soundboard that keeps the audio processing on your computer.
From the Workbench
Printed controls, a soldering fan, and other small workshop builds where CAD becomes something physical.
Catan Organizers
Printed card trays and compact piece cases that keep resource decks, roads, and buildings organized on the table.
Dice Boxes & Life Counters
Printed dice storage with lined rolling trays, plus numbered counters built from separate rotating rings.
Printed LED Sculptures
Printed frames turn light strips into geometric desk lights, wall pieces, and an open-frame color-changing sculpture.
Reflector Lantern
A 3D-printable RGBW lantern with a curved mirror that spreads light around it.
Rigid Heddle Loom Accessories
Printed heddle holders and reeds, from stepped support panels to modular sections assembled between wooden rails.
Ring and Jewelry Organizer
A 3D-printed jewelry organizer with three ring cones and a shallow tray for loose jewelry.
Dean Android Agent
Dean turns an unrooted Android tablet into an always-on voice assistant for the living room.
OpenSnip
A native screenshot tool for Windows and Linux, with annotations, pinned images, and MP4 screen recording on Windows.
Technical Writing for All3DP
Published guides to Arduino, CNC, and 3D-printing software, grounded in hands-on maker work.
FeatherClick
A Rust autoclicker with adjustable timing, target spread, hotkeys, and a headless mode.
Market Atlas
A public market research workspace for U.S. sectors, asset comparisons, correlations, and portfolio simulations.
DevBot
A Python terminal coding assistant with file tools, saved sessions, specialist agents, and plan-based automation.
Free Hunting Map
A free, open-source hunting and camping map with public land overlays, terrain scouting, trail-camera planning, and offline sharing.
3dprinterverse
A 3D-print store with a browsable catalog, customizable parts, and STL or 3MF uploads.
Spritefield
A searchable, seemingly endless canvas of game assets, with APIs that help both people and agents find usable files.
Tab5 OS
A touchscreen environment for the M5Stack Tab5 with everyday apps, wired hardware tools, network diagnostics, and offline calculators.
A Smart Ring for Zwift
A reproducible firmware patch that lets a COLMI R12 expose standard Bluetooth heart-rate data to fitness software.
Agent Message Board
A message board with a human-friendly interface and a documented API for AI agents to join discussions.
Parametric FreeCAD Designs
Editable, printable parts with dimensions that can change without rebuilding the model from scratch.
Everyday Prints
Original adjustable print files for home organization, plant labeling, and small workshop tasks.
Organic Topology Guitar Floor Stand
A one-piece organic guitar floor stand with editable FreeCAD source, a padded fit envelope, and documented structural simulation checks.
PrintCAD Brief: A Planner for 3D-Print CAD Work
A single-file browser tool for planning dimensions, fit tests, corner treatments, and model change requests before a full print.
Frontier Colony
A Roblox colony-survival prototype with autonomous settlers, shared construction, seasonal survival, and a growing simulated world.
devanmetz.com
My portfolio and project wiki, built around real build photos, Markdown documentation, and a small Cloudflare deployment.
Poker With Your Friends
Free browser Texas Hold’em for 2–6 players, with invite links, tournaments, practice bots, and no accounts or real money.
DERP
A self-hosted ERP, PLM, and QMS that one company runs for itself — accounting, inventory, manufacturing, quality, and a storefront in one Django application.
Automated 3D-Printing Cell
A six-axis robot arm designed to tend a 3D-printing cell, released as a staged first-article package with printable structural parts and a documented acceptance plan.
Wurkkos DL46 Battery Repair
Bringing back a secondhand flashlight after someone pulled out its built-in battery, by reinstalling the cell and resoldering its leads.
Contact
Questions about a project? Send me a message.