passive phone speaker

If you use the printer option (layer: 0.2) explained, assembly is possible without adhesive.
Of course, using adhesive provides better performance.
When used as a vertical stand, you can use the speaker amplification effect.
Horizontal viewing is possible, but the speaker effect is not available.
You can use a charging cable.
Length 78mm, width 12.5mm, cell phone with speaker on the right side meets the specifications.
*Be careful not to place the support too tightly in the empty space where the phone speaker is located. That way, removing the support won't be difficult.