This Macbook Air Stand can be printed or it can be made bending a 12" x 20" (~ 30cm x 51cm) shape of Acrylic to hold laptops, notebooks and tablets. I designed it to hold my MacBook AIr 13" because I've used my laptop while lying in bed with it resting on my chest and leg. The bent corners was made the protect my chest of very slim corners of the Macbook Air usually hurts my chest. This holder was made with openscad parametric cad and it can be changed, but some manual adjusts should be needed for different sizes and angles of inclination.This Macbook Air Stand can be printed or it can be made bending a 12" x 20" (~ 30cm x 51cm) shape of Acrylic to hold laptops, notebooks and tablets. To be printed it use a plate of 161,2mm x 141,39 and 2 (two) pieces have to be printed to hold correct hold the notebook. Another option is it be made with a shape of acrylic just bending one shape of 12" x 20" (~ 30cm x 51cm). One shape of plastic acrylic with A3 size can be used, but the A3 size is 29,7cm x 42cm and you can reduce the size of horizontal base without problem. If you print or bent acrylic to make it, please share some pictures! I will appreciate a lot.