This hard to obtain part is the wedge that holds the glass in a Larson Split screen door.
Larson part number 08712609
fits the Top Glass Insert with Retractable Screen Roll kit and Bottom Glass Fixed Insert kit.
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.