If you wish to discover ways to add ending touches to your merchandise post-production earlier than delivery to your prospects or remodel your individual 3D printed designs to a extra vivacious coloration you are able to do so by following a number of easy steps. On this tutorial, Steven and Jeremy Gonzalez of The Tremendous Maker Bros exhibit the right way to paint eyeglass frames printed in Multi Jet Fusion Plastic PA12 in a number of colours, a course of that may be utilized to many different initiatives of the identical 3D printed materials.
Here’s what you will want:
- 3D mannequin printed in Multi Jet Fusion Plastic PA12 (additionally relevant for Versatile Plastic)
- 220 grit, 400 grit and 600 grit sandpaper
- Spray paint primer
- Spray paint in your required coloration(s)
- Clear coat matte or gloss spray paint
- Reusable drop cloths or newspaper to guard your work space from paint
- Extremely Advisable: A respirator with replaceable filters won’t solely shield you from spray paint fumes however will final you thru many extra future paint initiatives.
Upon getting these supplies you’re able to get began. Observe the steps under and take a look at this video to see every step in motion.
Put together your workspace by inserting newspaper or a drop material over the realm to cowl any furnishings or flooring area in vary of your spray portray sample. Shield sufficient area to spray from totally different angles.
Put in your respirator. Spray paint fumes are poisonous and sanding generates mud particles which might be harmful to inhale, so be sure to sand and spray in a nicely ventilated space and put on your respirator.
Begin by sanding the glasses items to clean out their surfaces. This can even assist the paint adhere to the plastic. Makerbro Tip: The perfect sandpaper to make use of is moist/dry or waterproof paper as a result of getting the paper moist helps cool the plastic whereas sanding in addition to retains small dislodged plastic particles beneath management. Waterproof sandpaper is black as a substitute of tan or beige.
Start with a rougher, 220 grit sandpaper to take away any cumbersome texture after which transfer on to 400 grit and 600 grit to buff the floor clean. The decrease the quantity, the rougher the paper is. You should definitely rinse and dry the items to take away free particles.
Makerbro Tip: To offer your sandpaper extra longevity, apply spray adhesive to the again of your quarter sandpaper sheet and fold it over to make an additional thick one-eighth sheet. This offers you the flexibility to make use of extra strain with out tearing a gap within the paper.
Prime the frames utilizing a sprig primer just like the Dupli coloration filler primer. Spray the glasses utilizing a sweeping movement, maintaining the spray can at a distance of about 6 to 12 inches. Spraying too carefully will coat the thing in an excessive amount of paint and trigger dripping and even trigger the coat to crack when dry. Be certain all seen floor space is roofed and let the items dry earlier than spraying the opposite aspect.
Makerbro Tip: Spray paint takes about half-hour to dry to the touch however wait between 1 to 2 hours to deal with it. Will probably be absolutely dry after 24 hours.
As soon as the glasses are primed, sand the surfaces as soon as extra utilizing the 600 grit paper to attain most smoothness and wipe away any ensuing mud.
Utilizing the identical spray portray methodology as with the primer, spray every bit within the coloration of your selection and let absolutely dry for twenty-four hours.
Makerbro Tip: Wish to use multiple coloration on the identical piece? Use masking tape to cowl elements of your venture you need in a special coloration. As soon as the primary coloration dries, cowl that portion and paint the remaining.
As soon as the glasses have had 24 hours to completely dry, it’s time to seal up the paint with a topcoat. Utilizing the identical spray portray methodology, apply two layers of topcoat, leaving 1 to 2 hours of drying time in between. This helps shield the paint and enhances the shine or matte end desired. It additionally offers a buffer between paint and pores and skin contact.
Now assemble the items and also you’ve acquired a model new pair of glasses! You may have a pair in each coloration.
Extra from the Materials of the Month Sequence: PA12
Half One: Materials Overview
Half Two: Materials Comparability: Nylon Plastics
Half Three: Enterprise Instance: PA12 used within the digital actuality trade