AI CAD prompts for functional prints, ready to copy

An L-bracket for a wooden shelf. Both legs 60 mm long, 25 mm wide and 4 mm thick, with a triangular gusset 15 mm deep in the inside corner. Two countersunk holes for 4 mm wood screws in each leg, 15 mm and 45 mm from the corner, centred across the width. It will print lying on its side, so keep the gusset flat on that face. Let me change leg length, width and thickness afterwards.

A wall clip for a 22 mm copper pipe. A C-shaped clip with an inside diameter of 22.4 mm and 3 mm walls, open at the front with an 18 mm gap so it snaps over the pipe. The clip's centre sits 20 mm off the wall on a 40 × 20 × 5 mm base with one countersunk hole for a 4 mm screw. Let me change the pipe diameter afterwards.

A 90° corner bracket for 2020 aluminium extrusion. Two legs 40 mm long, 20 mm wide and 5 mm thick, joined by a triangular gusset. One 5.3 mm hole in each leg, 20 mm from the corner, for an M5 bolt into a T-nut. Under each leg, a rib 6 mm wide and 1.5 mm tall running along the leg so it keys into the extrusion slot.

A desk stand for a phone in a case up to 12 mm thick. Back rest 80 mm wide and 100 mm tall, leaning back 25° from vertical. A front lip 10 mm tall with a 14 mm gap between the lip and the back rest, and a 15 mm wide notch in the middle of the lip for the charging cable. Base 80 × 90 mm, 4 mm thick. Round every outside edge 2 mm.

A two-part enclosure for a circuit board 70 × 50 mm and 20 mm tall including components. 2 mm walls and floor, with 1 mm of clearance around the board on every side. Four standoffs 5 mm tall and 6 mm across, with 2.5 mm holes for M3 self-tapping screws, 3.5 mm in from each corner of the board. A lid with a 1.5 mm lip that fits inside the walls with 0.2 mm clearance per side. A 12 × 7 mm cut-out for a USB-C plug centred on one short side, its bottom edge 6 mm above the floor.

A case for a Raspberry Pi 4 Model B: board 85 × 56 mm, M2.5 mounting holes on a 58 × 49 mm rectangle. 2 mm walls, 2 mm of clearance around the board, the board raised 4 mm on standoffs. Openings 1 mm larger than each port for USB-C, both micro-HDMI and the audio jack on one long side, and the USB and Ethernet ports on the short side. A lid with 2 mm wide vent slots over the processor. Let me change the clearance and the standoff height afterwards.

A small box for an ESP32 dev board 52 × 28 mm. Inside 56 × 32 × 18 mm, 1.6 mm walls. A grid of 2 mm holes on the front face for air, a 6 mm hole on one end for a cable, and a sliding lid in 1.2 mm grooves. One tab on the back, 15 mm tall, with a 4 mm screw hole so it can hang on a wall.

A desk caddy with six round pen holes, 12 mm across and 60 mm deep, in a 2 × 3 grid with 18 mm between centres, and one 40 × 20 mm slot beside them for scissors. Outer walls 2.4 mm, floor 3 mm. Round the top edges 1.5 mm.

A holder for 1/4-inch hex screwdriver bits. 20 hexagonal pockets, 6.6 mm across the flats and 12 mm deep, in two rows of 10 with 10 mm between centres. Block 110 × 30 × 15 mm. Chamfer the top of each pocket 0.5 mm so the bits drop in easily.

One block that holds 10 full-size SD cards and 10 microSD cards upright. SD slots 2.6 mm wide, 25 mm long and 15 mm deep; microSD slots 1.4 mm wide, 12 mm long and 8 mm deep; 4 mm of material between slots. 3 mm floor, edges rounded 1 mm.

Crossing dividers for a drawer 300 mm wide, 220 mm deep and 70 mm tall inside. Strips 2 mm thick and 65 mm tall. Long strips get slots 2.3 mm wide and half the strip height deep every 75 mm; short strips get matching slots from the other edge, so they slot together like an egg crate. Each strip prints flat. Let me change the drawer size and the spacing afterwards.

A replacement knob for a 6 mm D-shaft with one flat, 4.5 mm across the flat, 12 mm of shaft showing. Knob 30 mm across and 18 mm tall, with 24 grip ridges around the edge and a pointer line on top. Shaft hole 6.2 mm with the flat at 4.6 mm, 11 mm deep. Let me change the hole size afterwards.

A cap for a round chair leg 22 mm across. Inside 22.3 mm and 15 mm deep, 2 mm walls, 3 mm floor, with a 1 mm chamfer on the outside bottom edge. Let me change the inside diameter afterwards so I can print a tight and a loose one.

A sliding battery cover for a remote control. Plate 45 mm long, 22 mm wide and 1.6 mm thick, with a rail 1 mm wide and 1 mm tall along each long edge on the underside. A latch tab 4 mm wide at one end that sticks up 1 mm, and five grip ridges 0.4 mm tall across the top near that end.

A spur gear, module 1, 30 teeth, 20° pressure angle, 8 mm face width, with a 5 mm bore. A hub 12 mm across and 6 mm tall on one side, with a 2.5 mm hole through the hub for an M3 set screw. Let me change the tooth count and bore afterwards.

A hook for a pegboard with 1/4-inch holes on a 1-inch grid. Two pegs 6 mm across, 25.4 mm apart vertically, that bend down behind a 5 mm board. Arm 50 mm long and 8 mm wide, ending in a 10 mm upturned lip. A 3 mm fillet where the arm meets the back plate.

A hook that screws under a desk. Mounting plate 60 × 25 × 5 mm with two countersunk holes for 4 mm screws, 40 mm apart. An arm that drops 40 mm and curves into a cradle 30 mm deep with a 4 mm lip, 20 mm wide all the way. Round every edge 2 mm so it doesn't dent the headband.

A hook for double-sided foam tape: a flat back plate 50 × 20 × 3 mm, and a hook 25 mm deep with a 10 mm opening, 6 mm thick. A 4 mm fillet where the hook meets the plate. The back plate prints flat on the bed.

A Gridfinity bin 2 units wide, 1 unit deep and 6 units tall (42 mm grid, 7 mm height units, so the outside is 83.5 × 41.5 mm). Standard Gridfinity base profile under each cell with 6 × 2 mm magnet pockets, a stacking lip on top, and a scoop along the inside front wall. No dividers.

A Gridfinity bin 3 × 2 units and 3 units tall with the standard base and stacking lip. Two dividers across the long side making three equal compartments, 1.2 mm thick. A label tab 12 mm wide along the back wall, sloped at 45°.

A Gridfinity baseplate 4 × 3 units for a drawer 180 × 140 mm inside. Fill the space left around the grid with a solid border so the plate can't slide, split evenly on both sides. No magnet holes, flat bottom.

A name sign 160 × 50 × 4 mm with rounded corners, the name EMMA in raised letters 2 mm high and 30 mm tall, centred. Base white and letters pink as separate colours in a 3MF for a two-filament print. Two 4 mm holes 8 mm from the top corners for a string. Let me change the name and the letter height afterwards.

A round base for a 28 mm-scale miniature: 32 mm across, 4 mm tall, 0.5 mm chamfer on the top edge, and a 6 × 2 mm magnet pocket in the centre of the underside. Cobblestone texture on top, no deeper than 0.8 mm.

A sitting fox on an oval base. Base 60 × 40 mm and 5 mm thick, fox 70 mm tall from the bottom of the base. Fox orange with a white chest and tail tip, base dark grey, as separate colours for a multi-colour 3MF. Keep the tail touching the body, and nothing thinner than 2 mm.

A plinth for a figure with a 20 mm round peg. Base 50 mm square and 12 mm tall with a 40 mm square step on top, and a 20.4 mm hole 8 mm deep in the centre. The name MAPLE engraved on the front face, letters 6 mm tall and 0.6 mm deep.