Intro: Credit Card Size Smartphone Stand W/ Micro SD Reader
Ever want to watch a movie on your smartphone, browse the internet, or maybe a little reading but didn't want to eat the burger with one hand?
This stand is small enough to fit in the credit card slot of a wallet but big enough to accommodate a full sized Smartphone.
Step 1: Material
3/32" black ABS plastic
Micro SD card reader (2)
Heavy duty staple
Credit card sleeve
Double sided tape
Rotary hand tool (Dermal) with drill, grinder, sander, milling bits.
Step 2: Design and Plans Transferre
Downloaded free CAD program
Designed stand and printed full size plans
Cover ABS plastic blank with Double sided tape and affixed plans.
Used needle point rotary drill attachment to transfer outlines through paper into plastic.
Step 3: Cutting and Assembly
Used cutoff wheels and milling attachments to make individual pieces
Disassembled one of the SD readers to determine with side of the board had the printed circuit
Drilled hole though steel case on blank side of circuit board
Straightened heavy duty staple and cut to 1/4" bigger than reader is wide, inserted through reader to act as axles
Milled slots on either side of card reader opening big enough to accept axle
Glued axles in place being careful not to touch reader
Melted ABS plastic into axle slots and sanded smooth
This would be an ideal 3-D printed project. It took me almost 5 hours and more than a few ruined pieces. to get the one I use.