This is my slimevr case design, it should be able to print without additional supports, the case_v4.stl main file includes a custom made support for the sides but i also included a version without that (case_v4_no_supports.stl).

It was designed for:

• 804040 Lithium batteries
• ESP8266 microcontroller
• TP4056 charging board
• SS12D00G3 Toggle Switch
• slimevr BNO085, MPU6050 , or any smaller IMU, such as BMI
• 40mm straps for the main tracker, 20mm straps for the aux trackers