IPA Containers – SprintRay Pro

Having both a MoonRayS and SprintRay Pro presents a problem with post-printing washing, since the build plates are completely different sizes. So, two different sized containers must be used for model washing if leaving the models on the build plate, as is my preference – unless the ideal contained can be found to work with both systems.

Enter the Lustroware 2.1 qt container from The Container Store.

This container has multiple benefits when printing horizontally:

  1. The SprintRay Build Plate sits perfectly on the front and back rails of the container.
  2. The MoonRay Build Plate sits perfectly on the side rails of the container.
  3. Instead of the normal injection molding bump on the inside of the container, this container has one on the outside. So, it is easily removed with the same tools that are used to trim and polish aligners. This also means that the container doesn’t have to be placed off-center on the magnetic stir plate.
  4. The lid has a rubber gasket integrated into the lid so it’s easier to place and remove than other containers I’ve tried.

Two modifications are suggested for ease of use.

  1. Remove the injection molding bump on the outside of the container so it sits flat on the magnetic stir plate.
  2. The four flip down locking tabs are a nuisance to open and close in order to seal the container, and are actually unnecessary because the rubber gasket seals the lid adequately. They also get in the way if the containers don’t have a lot of working area around them. So, it is best to cut the tabs off and then polish the cut areas with the same tools that are used to trim and polish aligners.

The one possible nuance that you should be aware of is that the height of the suspended build platforms sits at two different levels. The SprintRay platform touches the surface of the IPA at ~ 950ml. The MoonRay Platform touches the surface of the IPA at ~1050ml. Technically, this is a small amount but Placing the SprintRay platform with models on it in the container with 1050 ml of IPA may cause IPA to spill over the edge of the container. I haven’t used the system long enough to have a good handle on if, and under what circumstances, this might occur.

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