RC Transmitter Case (Top + Bottom Shell)

A handheld RC transmitter case, two-piece (top shell and bottom shell) with 3 mm wall thickness, overall size 190 mm wide, 95 mm deep, 40 mm tall, rounded corners 8 mm radius. Joined by 4 screw posts with M3 holes at the corners. Top panel cutouts: - Two PS2 thumb joystick openings, 24 mm diameter round holes, centered left and right, 35 mm from each side edge and 30 mm from the bottom edge, with 4 small M2 screw holes around each at 26x26 mm spacing - Two potentiometer holes, 7.5 mm diameter, placed between the joysticks, 20 mm apart - Two 2-position toggle switch holes, 6.2 mm diameter, on the top-left area - Two 3-position toggle switch holes, 6.2 mm diameter, on the top-right area - One 0.96 inch I2C OLED display window, 26 mm x 14 mm rectangular cutout, centered at the top, with a 1 mm recessed lip around it - One rotary encoder hole, 7 mm diameter, below the display - Four push button holes, 6 mm diameter, in a row below the encoder, spaced 12 mm apart Inside the case: - Four standoff posts, 6 mm tall with M2 holes, for mounting an ESP32 board (about 55 x 28 mm) and a separate nRF24L01 module (about 15 x 29 mm) - A USB-C opening on the bottom edge, 10 mm x 4 mm - An antenna slot at the top edge, 8 mm x 4 mm - A battery compartment for 2x 18650 cells on the bottom shell, 40 x 70 mm, with a retaining wall Make the top shell only first, with all the cutouts. Now add the bottom shell with screw posts and the battery bay. Add a grip curve on the underside, 25 mm radius, on both sides.

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