From the Loftsmith Workshop

Tap turner lever for cross-head, bar and round tap handles

Gives you a long lever to turn a stiff or fiddly tap with one hand. The round cap sits over the handle and the long arm does the work, with fluted edges so your fingers don't slip. Change the handle span and lever length to suit your tap.

2 parts · 33 g · 142 × 64 × 26 mm

by Loftsmith Workshop

Teal round cap with a long flat arm and a small grey stem underneath, fluted around the edges
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No adjustable sizes

Ask for the sizes you want to tweak, e.g. “make the width adjustable”.

Change it in the Studio

Parts

  • cap · PETG · Palm face down, lever flat on the bed (printRotate 180° about X); socket opens upward, no supports

    Socket cap with the lever, 142 × 64 × 26 mm at defaults, ~28 g, ~42 min. PETG because it lives on wet, sunlit taps and PLA softens near hot water. Layers run along the lever, so the push bends it along the layers.

  • collar · PETG · Flat, as modelled

    C-shaped ring with two in-plane snap tabs, 49 × 51 × 4 mm, ~5 g, ~10 min. PETG because the tabs flex every time it is fitted. They flex within the layer plane.

Print settings

Layer height
0.2 mm
Walls
2 (page default); 3 for outdoor taps
Infill
15 %
Supports
None
Notes
Both parts at 2 walls / 15 %: about 34 g and 54 min (cap ~28 g / 42 min, collar ~5 g / 10 min). At 3 walls / 15 %: about 45 g and 1 h 12 min. The default size fits a 180 mm bed. At the 150 mm lever maximum the cap is 182 mm long and needs a 256 mm bed.

Assembly

  1. Measure your tap handle: span across the arm tips (or the knob diameter), the widest arm width, the height from the underside of the arms to the top, and the width of the stem directly under the arms. Set the sliders to match.
  2. Check there is about 12 mm of bare stem under the arms at the default sizes. If the handle sits straight on a wide cover, switch the collar off. The cap then rests on basin taps by its own weight.
  3. Lower the cap straight down over the handle so the arms drop into the socket slots, with the lever pointing where you want to push.
  4. Slide the collar sideways onto the stem below the cap, open slot first, then push it straight up into the skirt until both orange tabs click into the two side windows.
  5. To remove it, press both tabs in through the windows with a coin edge or thumbnail, pull the collar down and slide it off the stem, then lift the cap off.

Good to know

  • Checked in the Loftsmith engine only, not printed or tested on a real tap. Print it and test-fit it before relying on it, and adjust the Fit clearance slider (0.2 to 0.6 mm) if it is tight or loose.
  • It gives an easier grip on a tap that works. It does not free a seized or broken valve. Do not stand on the lever, use tools on it or push hard against the valve's end stops. The strength check assumes a 100 N (about 10 kg) palm push.
  • Round heads turn by friction on 12 small ribs, so smooth or faceted knobs may slip. Cross-head, bar and lobed handles drive positively through the arm slots.
  • The collar needs about 12 mm of clear stem below the handle at the default sizes. Taps with a wide cover right under the handle need the collar switched off and then only work where the cap can sit by its own weight.
  • The socket models arms as straight bars with a generous central hub, so very tapered or ornate arms are held only at their widest point.
  • Some extreme combinations fail their checks and say so, for example a 30 mm span with a 30 mm stem (no room for the collar), or a 70 mm span with the 70 mm lever (leverage under 1.8×).
  • Not needed for lever mixer taps.
I printed this Remix

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