curved breadboard 3d model

"Photorealistic 3D render of a curved 3D-printable mini breadboard module. Dimensions: 58mm × 38mm × 9mm, longitudinal convex curve R=140mm. Matte black PLA, visible 0.2mm FDM layer lines. No components, no wires. Top surface: 22×14 grid of through-holes, 2.54mm pitch, 1.05mm diameter with 0.3mm countersunk chamfer. Two outer power bus strips 2 holes wide, full length. Center divider groove 2.5mm wide × 1mm deep. Inner tie-point field grouped in rows of 5 sharing internal bus channels. Vertical mid-divider groove at column 11 splitting left and right zones. Engraved 0.4mm grid lines every 5 columns. Internal architecture (cutaway on one short end): horizontal press-fit bus slots 0.85mm wide × 1.6mm deep, spanning 5 holes = 10.16mm. Power rail channels 2mm wide × 1.6mm deep, full length. Wall thickness between channels 0.8mm minimum. Draft angle 0.1mm on all channel walls. Detachable left rail: 38mm × 9mm × 2.2mm, curved R=140mm. Dovetail profile 1.6mm wide × 1.2mm deep, 8° angle. Slide