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KevinKropp.com

Product Design and Engineering

Category: CAD/CAM

Mini Injection Molder

By krashkropp on April 7, 2022April 23, 2023

A manually operated injection molding machine to make low volume prototype injection molded parts. It uses a PID controller and solid state relay to send power to three nozzle heaters on an aluminum tube. Thermoplastic pellets are added to the tube and a lever attached to a stainless steel rod forces the then heated pellets…

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String Cutter

By krashkropp on November 20, 2021April 19, 2023

An automated Standalone String cutter. it uses a 12v barrel connector PSU, Arduino nano, 2x nema 17 stepper motors, 2x drv8825 drivers, a hm11 BLE module and a PCB to connect everything. The rest is 3d printed. Quarters are stacked on top of a razor blade and raised. string is fed from a stepper to…

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Electronics Case

By krashkropp on November 13, 2021June 2, 2022

Design of a case to house electronics. 3d printed for initial testing. mold design and production with injection molding for large scale distribution.

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Nova

By krashkropp on October 13, 2021June 7, 2025

A wireless long range single channel radio for manually deploying a drone parachute. I designed this radio to have a long lasting rechargeable battery, have a quick double tap deployment and, simplistic small exterior.

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Mayday

By krashkropp on September 17, 2021June 7, 2025

Automated drone parachute deployment system. Detects if a drone is free falling or tumbling and deploys a parachute.

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Molded Charger Case

By krashkropp on August 13, 2021June 1, 2025

Plastic case for a common Lipo battery charger.

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Solo Parachute

By krashkropp on August 14, 2020

A parachute for the 3DR Solo drone.

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Caribiner

By krashkropp on June 13, 2020

A small aluminum caribiner and retainer spring for single handed use that can hold over 700Lbs with a final production test over 900Lbs.

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3drx8 Mount

By krashkropp on June 11, 2020

A Carbon fiber mount for the 3drx8.

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