Visual Dessicant Indicator for Filament Drybox (V2)

prusaprinters

<p>A new version of partsMakers great idea. We discussed the idea of a screwable Version without opening the dry box.&nbsp;</p><p>A screwable version of a great idea. Sealed and replaceable without opening the Drybox<br>The container consists of 2 printed parts, 2 seals and a plexiglass pane.<br>Since the diameter should be as large as possible, a new design of the drybox was necessary.<br>After many tests it was impossible to print a reasonable thread in the sloping wall of the drybox, so an insert is needed for it, which is simply glued into the drybox with a little super glue.<br>For this purpose, 2 assembly aids are enclosed as print files with the help of which the insert can be press-fitted with a screw clamp.<br>When gluing, use a little more glue (preferably more viscous) as the upper part of the drybox hole is printed somewhat uncleanly. Before inserting, it is advisable to trim the print edge a little.</p><p>Since the lower part of the drybox has to be reprinted, I added a groove for a seal of the drybox.<br>This makes the drybox really tight and the desiccant does not have to be changed so often.</p><p><strong>Additional parts that are still needed:</strong></p><ul><li>1x O-ring seal 28x1,5 mm (inner diameter)</li><li>1x O-ring seal 30x1,5 mm (inner diameter)</li><li>1x plexiglass disc diameter 30 mm, 1mm thick (cut from a plate)</li><li>70 cm neoprene round cord 2 mm</li></ul><p><br><br><strong>Mounting container:</strong><br>Press the Plexiglas disc into the screw cap, insert the 28 mm seal. If the Plexiglas disc is a little too small, it will still be held in place by the seal.<br>Roll the 30 mm seal onto the container - there is a groove in the thread under the lid. Deburr the top edge of the container a little so that it slides easily into the seal in the lid. Fill with desiccant and screw the lid on tightly.</p><p><strong>Drybox assembly:</strong><br>Check the fit of the insert thread in the drybox opening - should be difficult. Then glue the insert in place using the mounting plates and allow to dry.<br>In the meantime, the neoprene seal can be inserted into the groove of the drybox. When inserting it, make sure that the sealing cord is not stretched - rather slightly compressed.<br>Pressing the seal in works well with the lid of the drybox.<br>The original lid of the perfect <a href="https://www.printables.com/de/model/4583-spool-holder-and-drybox-for-enclosure-v2-with-humi">Drybox</a> from amazing <a href="https://www.printables.com/de/social/10-ondrej-stritesky/about">Ondřej Stříteský</a> can be used.</p><p>After the glue is dry, screw on the existing lid of the Drybox, fit the locking knob, screw in the desiccant container and fit the filament outlet seal. I use the ingenious outlet from <a href="https://www.printables.com/de/model/31696-extended-ptfe-pc4-m10-quick-fitting-mod-for-prusa-/comments/193406">Xuis</a> with PTFE tube connection.&nbsp;</p>