Just another 4040 extrusion profile
https://jide-projects.obs.myhuaweicloud.com/8vqiKemkL16tD/
[{"cover":"https:\/\/jide-projects.obs.myhuaweicloud.com\/8vqiKemkL16tD\/45a4e8cc-b8fa-4f2b-9ec0-70c853d3894a.jpg","name":"IMG 20180621 162503.jpg","id":"45a4e8cc-b8fa-4f2b-9ec0-70c853d3894a","type":"image","fileType":"jpg"}, {"cover":"https:\/\/jide-projects.obs.myhuaweicloud.com\/8vqiKemkL16tD\/c19874d8-0cdb-462f-b6a7-280c169d59a8.jpg","name":"40x40.stl","id":"c19874d8-0cdb-462f-b6a7-280c169d59a8","type":"model","fileType":"stl"}, {"cover":"https:\/\/jide-projects.obs.myhuaweicloud.com\/8vqiKemkL16tD\/4750fbe6-0b30-4018-9022-d696878dbd4d.jpg","name":"4040v3.stl","id":"4750fbe6-0b30-4018-9022-d696878dbd4d","type":"model","fileType":"stl"}, {"cover":"https:\/\/jide-projects.obs.myhuaweicloud.com\/8vqiKemkL16tD\/29c292d0-5b79-4326-873d-2652820ac235.jpg","name":"40x40v2.stl","id":"29c292d0-5b79-4326-873d-2652820ac235","type":"model","fileType":"stl"}]