Source: Starfinder Core Rulebook p.122
As a full action, you can expend an unused spell slot to temporarily construct a technological weapon or suit of armor out of raw magic. You can create one suit of armor or weapon with a level equal to or less than the level of the expended spell slot x 3, to a maximum of your caster level. The item appears in your hands, on your person, or in an adjacent square. You can use fuse spells with this magic hack. A weapon can't be larger than two-handed, and the size of the item can't exceed 10 bulk. The quality of the item is average for its type. Treat this as a spell of the same level as the expended spell slot. For example, at 10th level, you could expend a 3rd-level spell slot to fabricate a weapon of 9th level or lower, or expend a 4thlevel spell slot to fabricate a suit of armor of 10th level or lower. The armor or weapon persists for a number of rounds equal to your technomancer level. At the end of this duration, the item disappears. You are proficient with (but not specialized in) any weapons you create with this ability. You can't create magic items, weapons made from a special material, or weapons that are expended with use (such as arrows, grenades, or missiles) with this magic hack.