This is the upgraded 3D-printed enclsoure featuring a triangular prism-like shape rear support with margin for the TRMNL 7.5" (OG) DIY Kit, which is co-developed by Seeed Studio and TRMNL, is a versatile e-ink development solution. It combines a 7.5-inch 800×480 monochrome e-ink display, XIAO ESP32-S3 PLUS driver board, 2000 mAh rechargeable battery,  and 10cm FPC extension cable. Fully compatible with the  TRMNL BYOD ecosystem, this kit enables no-code dashboard building with over 375 plugins and  8 layouts,  ideal for DIY enthusiasts, smart home interfaces , and creative  digital signage. 

More about the Kit here: https://www.seeedstudio.com/TRMNL-7-5-Inch-OG-DIY-Kit-p-6481.html