LilyGo T-Echo Extended Backplate Bracket Remixed v3

Original description from Space's design - I've added the RST and PWR text by the buttons and, with v2, updated the geometry of the screw bosses as I found them to be undersized and off-center:

This Backplate / Bracket provides protection from accidentally hitting the two exposed buttons on the side of the device while also giving you a place to hook a carabiner or cord for easier carrying. The bracket was designed to contour the device for a more seamless feel.

Printer Settings (Suggested):

• Material: PETG
• Nozzle: 0.4mm
• Layer: 0.20mm / 0.16mm
  • Photos were printed in 0.16mm.
• Support: Only in the Mounting Holes.

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EXTENSION:

Added a model that provides an additional 6mm of interior depth (adds another 2mm of overall depth to the original). No additional hardware needed. Remove the factory back plate and use those screws.