Circular case with clip
Clip and inside changes
New fitted square case
Replace clip with hair grip like fastener
Rounded clip fastener edges

Corners were rather scratchy to wear
New higher res internal volume shape
Slip case design for flexible PLA

Bendy case with front and back cover parts, magnet used for fastening.
Added slot for fastener
Slot size reduction
Rounded sensor window with extruded rim
Added round window for LED location
More size tweaks
More small size tweaks
Removed circle from strap and padded battery fit
More battery empty volume filling
Solid case without magnetic strap

Two separate sections for ridged XT material, separate badge clip can
be used to attach
New device diamond ridged enclosure

New prototype with sensors in a 2x2 grid (RGB and clear). ridged two
part case with attachment for separate badge clip.
Clip fastening improvements