The edge fixtures are designed to clip at least two edges of at least one solar panel and corner fixtures are designed to clip to each corner of at least one solar panel. These fixtures can be made by casting mold that can use materials of aluminum or aluminum alloys, or made by injection molding using plastic materials. The examples show the edge fixtures and the corner fixtures having flexible features to fix or install on any desired angle surface with various supporting members such as frame members and cross brace members which can be shaped as polygon or use angle aluminum or angle aluminum alloy or angle iron or angle steel etc. These fixtures and supporting members can be installed on the ground or attached to additional structures such as roofs of buildings etc. for residential, commercial and industrial users.