Micro inflators for Therm-a-rest Winglock

Electric air pumps for Therm-a-Rest Winglock sleeping pads. 31 mm propeller version inspired by Tyler Reeves' Pad-Pal: 7x16 mm coreless motor and 31 mm Tiny Whoop propeller (Gemfan 1207) USB-C connector board from Aliexpress with diode (1N4001 or similar) for 'voltage regulation' about 1 A of current draw, inflates Xlite NXT RW in about 50 seconds (17 mAh), with valve fully open in deflate position 9.4 g weight hole for cables has to be drilled or melted cut the motor mount tube below the 'spokes' USB board is attached with double sided tape 20x10 mm fan version: Sunon 20100V1-1000U-A99 fan (fastest 5 V option, fan from Aliexpress didn't make enough air pressure) USB-PD trigger board allows for smartphone as power supply (enable USB OTG in settings) 110 mA current, 5-6 min inflation time (ca. 10 mAh) 6.6 g weight double sided tape between fan and USB board print settings: material: TPU 95A 0.4 mm nozzle, 0.2 mm layer height, 2 perimeters