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Formic acid top evaporator/dispenser — 3D printable model
Commercial printing permitted

Formic acid top evaporator/dispenser

Printed for you, made to order

About this model

<h3>Formic Acid Top Evaporator &amp; Dispenser (60% HCOOH)</h3><p>A practical 3D-printed ceiling dispenser designed for controlled, safe short-term application of <strong>60% Formic Acid</strong> (dosage: 2 ml per frame over 48 hours).</p><p>Originally inspired by treatment procedures like Formidol, this tool helps beekeepers manage <em>Varroa destructor</em> efficiently while keeping acid handling clean and contained. Half of the 2.5 mm evaporation holes are pre-covered to adjust for variable frame space and control evaporation rate under standard conditions.</p><h3>How It Works &amp; Usage</h3><ol><li><p><strong>Setup:</strong> Place the absorbent cloth inside the 3D-printed tray, soak with the recommended dosage (2 ml of 60% formic acid per frame), and place the dispenser on top of the frames.</p></li><li><p><strong>Sealing:</strong> Cover the dispenser with your standard ceiling foil / inner cover film to direct vapors downward into the brood chamber and prevent escape.</p></li><li><p><strong>48-Hour Cycle:</strong> Leave for 48 hours. After 48 hours, remove the saturated cloth from the container and lay it freely across the top bars to finish the cycle.</p></li></ol><h3>Recommended 3D Printing Settings</h3><ul><li><p><strong>Material:</strong> <strong>PETG or ASA/ABS</strong> (Mandatory due to chemical resistance against formic acid. <strong>Do NOT use PLA</strong>).</p></li><li><p><strong>Watertight / Leakproof…

Description by the designer on Printables.

How it works

  • You pick the model; we fetch the designer’s file and print it in our UK workshop.
  • Every piece is hand-finished and quality-checked before it ships, like everything in our shop.
  • Printed in PLA, a plant-based material. More about our material.

This design was created and shared by an independent designer and remains their property. Every model offered for printing here has a licence that permits commercial printing. The original model page and licence are linked above.