The Charging Station was designed as a low-cost alternative to commercially available charging stations for our school. The holder/charging station can be made for between $60 and $80 including the feet and power-strip. The center area can be used for accessories, such as a mouse for each device.
stl files for a 4 tablet holder designed to be printed on a Prusa MK3S are also attached.
Additional Items from Amazon.com
(6 tablet holder) 2 of GE 6 Outlet Power Strip, 8 Ft Long Extension Cord, Grounded Outlets, UL Listed, White, 14832 J.VOLT 1604
(4 tablet holder) 4-Outlet Power Strip, 15A 125V 1875W, 250 Joules, 20-Inch Short Cord with Angled Plug, ETL Listed, 2-Pack
20 PCS Transparent Round Furniture Pads,Non Slip Non Skid Furniture Feet for Table,Desk,Chair,Sofa Leg,Noise Canceling Heavy Duty Furniture Sliders,Furniture Cups to Protect Hardwood Floors (30x10mm)
This was made on a Raise 3D printer with a .8 nozzle using PETG. It's recommended that the first layer width and height be increased in slicing to help with bed adhesion and decrease warping.
The tolerances are very tight to join the powerbox and main compartment. Some assistance (a mallet) may be needed. However, the fit is tight enough that it essentially becomes one piece.
The author hasn't provided the model origin yet.