This case is for Waveshare's 4.3 inch screen. This is one piece in a project to make the parts of a portable gaming device modular, so that it is easier for people to quickly prototype their own devices. This is under the public domain license and you are free to use, modify, and sell any creations you make with this model. The link to the Fusion 360 project has sketches and will allow you to quickly modify the model.
http://a360.co/2y4waiS

A giant link to purchase the screen is at the bottom of this description.

https://www.aliexpress.com/item/Raspberry-pi-4-3-inch-touchscreen-HDMI-LCD-more-smarter-than-5inch-LCD-and-7-inch/32808489348.html?ws_ab_test=searchweb0_0,searchweb201602_3_10152_10065_10151_10068_10344_10345_10342_10343_10340_10341_10541_10540_10307_10060_10155_10154_10056_10055_10539_10054_10538_10537_10059_10536_10534_10533_100031_10099_10103_10102_10052_10053_10142_10107_10050_10051_10084_10083_10080_10082_10081_10110_10175_10111_10112_10113_10114_10312_10313_10314_10078_10079_10073,searchweb201603_17,ppcSwitch_5&btsid=7f2a198b-d09a-40bc-af00-2859ee3bbf56&algo_expid=91501019-7898-44d2-8499-b5d43a70728f-2&algo_pvid=91501019-7898-44d2-8499-b5d43a70728f