Magnetic Tile Storage Rack – Every Shape Has Its Own Lane, for 3-Inch Classic Tiles

A low rack of lane modules for 3-inch (76 mm) classic magnetic building tiles, such as Magna-Tiles or PicassoTiles classic sets (not affiliated; fit per brand not verified - print the gauge). Each lane is cut to one tile shape: squares stand base-down in a square channel, equilateral triangles point down into a 60° V, right triangles into a 90° V, tall (isosceles) triangles stand base-down, and large squares stand in a wide headboard lane at the back. Tiles stand upright face to face in bays of five, leaning back on the divider posts, and the front of every lane shows its shape as a window. Grab the shape you need instead of digging through a bin - the collection stays on display, rainbow side out.

Validation status (please read): a digital design, checked in CAD (shape fits, lean angles, capacity per thickness) and in the slicer (no supports, no floating islands). It has not been physically printed or tested. Print the gauge first. All pictures are renders of the CAD model or drawings; the tiles are unbranded stand-ins - none is a photograph.

Features

• Each V lane holds its own triangle on both walls; other shapes sit 12-30 mm higher, slide sideways or rock (CAD). One exception: a square turned corner-down sits in the 90° V like a right triangle, standing twice as tall.

• Bays of five keep half-empty lanes tidy: a lone tile leans at most 37° (CAD) instead of falling flat.

• Each bay floor tilts back 10° with the divider posts square to it, so a packed stack leans back against the post (geometry only - push a tile back; plastic does not slide back by itself).

• Modular: print only the lanes your set needs and add one when the collection grows. Every part fits a 210 x 210 mm bed.

• No supports, no brim, no small separate parts as printed. A print-first gauge comb reads your tile thickness.

Sizes and capacity

Classic-100 layout (3 square lanes + 1 of each other lane): 308 x 375 mm. Lanes (W x L x H): squares 92 x 182 x 55 mm; isosceles triangles 92 x 139 x 55 mm; equilateral triangles 92 x 178 x 55 mm; right triangles 124 x 113 x 46 mm; large squares 168 x 54 x 94 mm. Gauge 172 x 64 x 3 mm. Tiles in neighbouring lanes stand about 14-16 mm apart.

Counted per bay from the CAD. With 8 mm tiles every lane holds less than a 100-piece set needs - print extra lanes.

Which files?

• Ready-to-print PrusaSlicer projects (Prusa MK4S HF0.4 profile embedded; other printers: switch the profile): 0_print_first_gauge, 1_square_lanes_A_B, 2_square_lane_C_isosceles, 3_equilateral_lane, 4_right_lane_large_squares.

• STL files of every lane and the gauge.

• model.py - the CadQuery source.

Print settings

• PLA in any colour - a light colour lets translucent tiles glow. PETG is an option (not sliced here).

• 0.4 mm nozzle, 0.2 mm layers, no supports, no brim. Lanes as exported: standing on their base, lane axis along the bed's X; the gauge flat.

• Print burden: on the embedded MK4S profile the five jobs (gauge + 7 lanes) are about 398 g of PLA and 14 h; on a conservative generic 0.4 mm profile about 535 g and 51 h (longest single part about 9 h 39 min). PrusaSlicer estimates, not measured.

Assembly and use

1. Print the gauge first. Slide its comb onto a tile's edge: the narrowest notch that takes the tile is your tile thickness (it sets the capacity). A square should sit in the 76 mm step and a large square in the widest step; a triangle corner drops into the 60° / 90° notches.

2. Print the lanes your set needs.

3. Stand the lanes side by side on a shelf: squares | squares, squares | isosceles, right | equilateral, large squares behind. Nothing to glue or screw; add small non-slip pads on a slippery shelf if you like.

4. Drop a tile into the lane of its shape, in any bay, and push it back against the stack. To take one, pinch the front tile of a bay.

Limitations

• Digital design only: not physically printed or tested.

• For 3-inch (76 mm) classic tiles; brands differ in thickness and corner rounding - print the gauge first. Other shapes (rectangles, trapezoids, windows, cars, figures) have no lane.

• The square and isosceles lanes are not shape-keyed: any 3-inch edge stands in them. A right triangle also sits stably in the 60° V (12 mm higher).

• Slower to tidy than tipping everything into a bin - this is sorted storage and display.

• Divider posts are 4-4.8 mm plastic: forcing a stack sideways or levering a post can break it - remove any broken piece.

• Magnet pull between tiles in neighbouring lanes was not checked with real tiles.

Credits

Magnetic tile storage exists as bins, tote trays, drawer units and trolleys, and other printable tile organisers exist. This design adds lanes cut to each tile shape and bays with tilted floors and square posts. Not affiliated with or endorsed by any tile maker; brand names are trademarks of their owners.

Pictures

Renders of the CAD model and a drawing, not photographs: the full Classic-100 rack on a shelf (cover), the rack in a playroom, the front row, one lane half full next to an empty one, the gauge on a tile, and the layout with capacities. Tiles are unbranded stand-ins.