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Faceted Ballast Bookend Set

Faceted Ballast Bookend Set

What it's for A mirrored pair of geometric L-bracket bookends featuring a faceted, crystalline exterior and perfectly flat inner faces for supporting books. Built to solve the issue of paperbacks toppling on shelves, each bookend contains a continuous internal cavity. This allows the finished print to be weighted with sand, coins, or metal shot through a bottom access hole, providing mass without requiring dense infill. Dimensions Overall size (per bookend): 100 mm wide, 120 mm deep, and 130 mm tall. Fill port: 24 mm tapered bore with a 27.5 mm recessed seating flange. Plugs: Tapered friction-fit caps with a standard coin-turn slot for securing the base. Print notes Print the main bookends with generous perimeter walls (at least 3-4 shells) to confidently contain fine, shifting ballasts like sand. No supports are strictly necessary if your printer bridges well, as the internal cavity roofs are sloped. Print the tapered plugs separately to ensure accurate tolerances for the friction fit. Assembly Pour sand or drop coins through the bottom seat until the internal chamber is heavily packed. Insert the included plug and use a small coin in the slot to twist and drive the taper until flush with the base. Remix ideas Modify the bottom plug to use printed threads instead of a friction fit for an absolute seal. Scale the internal cavity up or down to perfectly capture standard hardware sizes, like large hex nuts or steel rods. Increase the severity of the facet angles on the cutting block modules to create a sharper, glass-like aesthetic.

19 days agoRemix →
Modular 19-Inch Rack Frame

Modular 19-Inch Rack Frame

This is a highly scalable, fully printable start kit for a 19-inch desktop server rack frame. The standard span required for a 19" rack is too large to print on a typical printer, so horizontal beams are constructed modularly using heavy-duty half-lap puzzle joints to ensure structural integrity across a 480mm width. Uprights are provided as modular "1U" blocks designed to perfectly stack, locking into horizontal base brackets. What it's for This framework creates an expandable desktop rack suited for network gear, homelab gear, and audio equipment. The modular upright blocks feature standard EIA-310 spacing and are formed with hollow cavities and 9.5mm square holes meant to natively seat standard M6 rack cage nuts. Dimensions Horizontal clearance: Maintains exact standard internal 19-inch spacing (483mm outer edge, 450.85mm internal opening). Vertical Height per Block: 44.45 mm (exact 1U metric). Longest individual part: At 190mm, the side crossbeams fit diagonally on almost every standard FDM printer, including smaller 180x180mm beds like the Prusa Mini. Required Hardware Because pure plastic structures under tension will deform when housing heavy loads, this design harnesses standard metal rods and bolting for the structural backbone: Upright Backbone: 2x standard 8mm (M8) threaded rods. Thread these down the large circular columns visible behind the rack uprights to clamp your modular 'X' U heights firmly to the base corners. Crossbeam Lap Joints: 4x M4 Bolts and nuts (or equivalent standard machine screws) to bolt down the interlaced crossbeams. Corner Anchors: 2x M4 bolts to lock the outer beams securely into the corner mortises.

25 days agoRemix →

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