The file '“Screaming Fist” DJI Spark Payload Delivery System 3D Printer Model' is (stl) file type, size is 30.2KB.
The quietest, cheapest way I could devise to drop a battery powered ESP8266, ESP32, Raspberry Pi Zero, or other 100g payload, on a 30cm target (stationary or moving), within 2km.
I printed in ABS, PLA is a bit more stiff so might not be as suitable.
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Screaming_Fist_Crossbar.stl | 69.9KB | |
Screaming_Fist_Left_Leg.stl | 22.9KB | |
Screaming_Fist_NodeMCU_+_9v_Carrier.stl | 13.6KB | |
Screaming_Fist_Right_Leg.stl | 22.9KB |