arduino uno board 3d model

"Create only the UPPER dry electronics section of the floating buoy (STL). External diameter 180mm, height 160mm. Include precise internal mounting for Arduino UNO Q (68.58×53.34mm board with standard 4-hole UNO pattern on 8mm standoffs), space for two 18650 batteries, solar charger and Grove shield. 8–10 PG7 cable gland ports on sides. At the bottom edge (waterline level) add one horizontal 30×20mm window for TCS3200 or TCRT5000 optical oil sensor facing the surface. Bottom flange with 4 M4 holes, alignment keys and O-ring groove. Wall thickness 4mm, PETG/ABS ready, manifold and precise."