Print, cut, tape. Hands up at the end to show it works.
Actual size templates for cardboard. Print at 100% scale.
8 steps from print to ready. No special tools required.
Print at 100% scale. Check 1-inch bar with ruler.
Use pen. Press hard. One cereal box = both sleeves.
Follow orange dashed lines. Cut camera window last.
Fold along cyan lines. Creates 20° angle for rear view.
Craft mirror center. Duct tape edges. No glass fragments.
Wedge goes under top edge. Sets 20° rear angle.
Fold pocket. Tape side tabs. Verify camera window clears lens.
Through anchor slots. Double-loop for security. Test stretch.
Left arm = mirror. Right arm = phone. Mirror image setup.
5 frames showing deployment. Final pose: hands up at shoulder height.
Both sleeves down
covered
Left sleeve up
mirror deploy
Right sleeve up
phone deploy
Both active
checking behind
Hands up at shoulder
height, palms forward
Hands up demo: If you can hold this pose comfortably, build passes. Mirror sees rear, phone records front. Both devices visible and clear at shoulder height.
Human silhouette with arms at shoulder height. Verify clearance.
Tape all cardboard edges. Round corners with scissors. Cover hair tie knots with tape. Test by running hand over entire assembly - should feel smooth.
Common issues and pattern fixes. Iterate until comfortable.
Fix: Add tape tab to anchor. Double-loop hair tie. Or resize pattern -10%.
Fix: Adjust wedge fold. Add/remove cardboard shims. Target: see 10ft behind.
Fix: Enlarge window 0.25" each side. Test with phone flashlight through cutout.
Fix: Add backing plate. Hot glue mirror edges to base. Cross-brace with tape.
Fix: Use 2 hair ties per anchor. Pre-stretch before threading. Replace monthly.
Fix: Add rubber band to hair tie for grip. Or tape foam strip inside sleeve.
Pattern honors real hand sizes. 3" mirror, 3.5" phone slot fits most. Scale adjusts to body.
Cutouts map failure points. Camera window, wedge angle, anchor slots = known issues solved.
Print and cut = zero skill barrier. Scissors + tape. No power tools, no glue, no code.
Hands up pose proves system works. If you can hold it, both devices function. Pass/fail = visible.