3d printed d20 molds - adafruit industries · pdf fileoverview this year’s...
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3D Printed D20 MoldsCreated by Ruiz Brothers
Last updated on 2017-05-22 05:51:02 PM UTC
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Guide Contents
Guide ContentsOverview
ExperimentTools and Supplies
3D PrintingCustomize The DesignFilament MaterialsPVASlicer Settings
AssemblyIngredientsMixingMixing the liquidsPacking moldsJoin moldsDryingDemoldingToss in the tub and enjoy!
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Overview
This year’s Valentine's day, we’re 3D printing molds to make DIY bath bombs.
This is a fun way to make custom bath bombs, soap or even chocolates just in time for thatspecial Hallmark holiday.
We’ve remixed the design from our previous talking D20 project (http://adafru.it/lkC) andsimplified it a bit so it’s easy to mold parts. You can also modify the design if you’d like!
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Experiment
Try experimenting with different scents, colors and shapes to use as molds.
You can even use these 8 bit hearts from our choclate mold project! (http://adafru.it/lkD)
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Tools and Supplies
3D Printer (http://adafru.it/doT) + Filament (http://adafru.it/2080)1/2 cup Baking Soda1/4 cup Citric Acid (http://adafru.it/lkE)1/4 cup Cornstarch1/4 cup Epsom Salt (or sea salt)3 tsp Castor Oil (or any vegetable oil)1 tsp Essential OilSoap or Food Coloring 1tbs Water
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3D Printing
Customize The Design
The parts where designed in Autodesk Fusion 360. The design has been made public, andavailable to download in different formats. If you'd like to use a different CAD softwarepackage, you are free to import the files and remix them.
d20-mold-halfB.stl
d20-mold-halfB.stl
230c extruder50mm/s printspeed120mm/s travelspeedno heat on bed
PVA:
210c extruder50mm/s printspeed
part are printed with a .4mm nozzle and should take about30 mins to print each half
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120mm/s travelspeedno heat on bed
Download STLshttp://adafru.it/fK0Download Sourcehttp://adafru.it/lkF
Filament Materials
We recommend using PLA material to reduce wraping while 3D printing. The parts can beprinted in different types of filament, such as ABS, PET or Nylon.
PVA
You could also try using water soluble filament, which will let you print more details and youwon’t have to demold because the shell will dissolve in water. You'll want to modifiy theshell thickness to 1 shell to insure the mold will dissolve faster.
Slicer Settings
To slice the parts, we used Simplify3D. We recommend using the settings listed above or
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use them as reference. We 3D printed these parts on a Ultimaker 2+ 3D printer. If you haveSimplify3D, you can download our profiles below.
Download Printer Profileshttp://adafru.it/ldz
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Assembly
Ingredients
The main ingredients are baking soda, citric acid and corn starch, which also holdseverything together. Try experimenting with different scents and colors.
Mix liquids in a separate container
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Mixing
Make sure to use two different bowls for mixing the ingredients, one for the powders andone for the liquids. Mixing the liquids at the sametime will activated the mixture.
1/2 cup Baking Soda1/4 cup Citric Acid (http://adafru.it/lkE)1/4 cup Cornstarch 1/4 cup Epsom Salt (or sea salt)3 tsp Castor Oil (or any vegetable oil)1 tsp Essential Oil Soap or Food Coloring1 tbs Water
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Mixing the liquids
To keep the ingredients from activating while mixing, you’ll want to add oils, scents anddyes in small amounts at a time.
Once it’s all nicely blended, we’ll need to pack the mix into the molds as tightly as possible.
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Once it’s all nicely blended, we’ll need to pack the mix into the molds as tightly as possible.
Packing molds
Pack the mold by layers, making sure to pack each layer down as tight as you can.
It’s a good idea to pack more than necessary so the two halves fuse together.
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Join molds
Join the two halves together by pressing them tightly and remove the excess from thesides.
Try to smooth out those edges so there’s less of a seam.
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Drying
To hold the two parts together, we can use a few rubber bands while the mold dries. Wecan let the bath bombs dry overnight.
For faster drying, you could pop them in the freezer for about 15 minutes.
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Demolding
With our mix fully dry, we can demold by tapping and squeezing on the sides until theycome loose.
Now there we have it! An icosahedron bath bomb - super cool!
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Toss in the tub and enjoy!
These are great to customize with different colors and scents and it’s a lot fun for kids!
© Adafruit Industries Last Updated: 2017-05-22 05:51:01 PM UTC Page 16 of 16