{"product_id":"gonggi-poop-mold-fast-production-from-waste","title":"Gonggi Poop Mold - fast production from waste","description":"\u003cp\u003eUpdate 14.4.2025: Uploaded \u003ca target=\"_blank\" rel=\"noopener noreferrer ugc\" href=\"https:\/\/makerworld.com\/en\/models\/1320673-poker-chip-mold-from-poop-one-mold-for-all-values#profileId-1356817\"\u003ePoker Chip Mold from Poop-One mold for all values\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eHello Makers! \u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eToday I made a new Gonggi and in a short time I had 13 perfect pieces created. I tried PETG, ASA, PC, ABS molds and PLA and PETG poops and I found the following:\u003c\/p\u003e\u003cfigure class=\"image image_resized\" style=\"width: 67.39%\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-31_735db6f6b7064.webp\"\u003e\u003cfigcaption\u003eABS-T, PET-G, PC, ASA\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003ePLA works without problems in all molds\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePETG works without problems in all molds. Even in a PETG mold! I did not find any signs of melting or damage on the mold after use.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-30_f76e77da53121.jpg\"\u003e\u003c\/figure\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAnother thing to keep in mind is that if you are working with geometric shape inserts, they must be made of the same material as the poops. If you use PLA geometric shape inserts, they will not stick well to the PETG gonggi! Also, make sure that the geometric shape inserts are not greasy on the Gonggi side, otherwise they will also easily come off (about 1 of 10). If I mixed the melting material as a combination of Prusa famous Orange PETG with White PLA, the material came together beautifully and even the geometric shape inserts worked :-)\u003c\/p\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-17_0937f693ac9198.jpg\"\u003e\u003c\/figure\u003e\u003ch2\u003e \u003c\/h2\u003e\u003ch2\u003eGonggi Poop Mold - fast production from waste\u003c\/h2\u003e\u003cp\u003eTurn waste from 3D printer into Gonggi! Create the most beautiful Gonggi and their crazy color combinations.\u003c\/p\u003e\u003cp\u003eUse poop, leftover filament, small printed objects and calibration poop lines.\u003c\/p\u003e\u003cp\u003eYou can print geometric shapes - circle, triangle and square. Simply insert them into the mold and your gonggi will be even more beautiful.\u003c\/p\u003e\u003cp\u003eThe waste purge mold idea came to me when I found \u003ca target=\"_blank\" rel=\"noopener noreferrer ugc\" href=\"https:\/\/makerworld.com\/en\/models\/437241-spinning-top-mold?from=search#profileId-342435\"\u003ethis\u003c\/a\u003e model\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-17_9fbacf46ff5c68.jpg\"\u003e\u003c\/figure\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eThe mold needs to be made of a material that can withstand heat better, e.g. ASA\/ABS\/PC\/PETG. The form should be smooth, do not use carbon\/glass fiber materials. Please print the mold, using at least 6 wall layers and at least 5 top layers. Layer height: 0.12mm\u003c\/p\u003e\u003cp\u003eThe geometric shapes - circle, triangle and square print from PLA\u003c\/p\u003e\u003cp\u003eAlso Hand and Hammer extraction tools you can print from PLA.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eUnlike other models, I have a different procedure - use a hot air gun instead of the oven. The production is fast and easy. With three molds, it is possible to achieve a production rate of 1 Gonggi every 3 minutes. The molds I made from ABS created dozens of Gonggi stones without any problems or deformation.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy do I use a heat gun instead of a hot air oven?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThere are various ways to melt a poop. A hot air oven is also an option. Usually, such an oven is only in the kitchen and food is usually prepared there. And since plastic tends to smell when melted, I don't know if it's food safe from a health perspective. That's why a heat gun somewhere on the balcony \/ garden seems like a better solution.\u003c\/p\u003e\u003cp\u003eFeel free to try the oven, you can find the exact procedure here: \u003ca target=\"_blank\" rel=\"noopener noreferrer ugc\" href=\"https:\/\/makerworld.com\/en\/models\/437241-spinning-top-mold?from=search#profileId-342435\"\u003e\u003cstrong\u003eSpinning top mold\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\u003ch4\u003eProperly made Gonggi are compatible with the boxes: \u003ca target=\"_blank\" rel=\"noopener noreferrer ugc\" href=\"https:\/\/makerworld.com\/en\/models\/940193-squid-game-2-gong-gi-case-korean-jackstones?from=search#profileId-905778\"\u003eSquid Game 2 Gong-gi \u0026amp; Case Korean jackstones\u003c\/a\u003e\n\u003c\/h4\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-17_df3af12afb2818.jpg\"\u003e\u003c\/figure\u003e\u003ch3\u003e \u003c\/h3\u003e\u003ch3\u003eWhy am I only writing about melting and forming PLA poop, when I also have PETG, ABS poops\u003c\/h3\u003e\u003cp\u003eBased on my tests, it is possible to put PLA poop into a mold made of PETG, ASA, PC, ABS. There was even no problem with PETG poop in a PETG mold. Of course ASA, PC, ABS molds were also OK. However, please be aware that heated PETG material can deform the PETG mold. Please read a little theory:\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003ePLA will soften (Glass Transition) at temperatures around 55-60 °C. While \u003ca target=\"_blank\" rel=\"noopener noreferrer ugc\" href=\"https:\/\/all3dp.com\/2\/petg-print-bed-temperature-all-you-need-to-know\/\"\u003ePETG\u003c\/a\u003e and \u003ca target=\"_blank\" rel=\"noopener noreferrer ugc\" href=\"https:\/\/all3dp.com\/2\/abs-print-bed-temperature-all-you-need-to-know\/\"\u003eABS\u003c\/a\u003e resist softening until around 80 °C and 100 °C, respectively. It is necessary to choose the right combination of mold material and also poop material, so that the high temperature of poop does not cause deformation of the mold. A good combination is PLA vs ASA (ABS)\u003c\/p\u003e\u003cfigure class=\"table\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eGlass Transition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eMelting Point\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePLA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55-60 °C\u003c\/td\u003e\n\u003ctd\u003e150-180 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePETG\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80-85 °C\u003c\/td\u003e\n\u003ctd\u003e220-260 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eABS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100-110 °C\u003c\/td\u003e\n\u003ctd\u003e200-250 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/figure\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-20_53d46a1feffff8.jpg\"\u003e\u003c\/figure\u003e\u003ch3\u003eWhat you will need:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHeat gun\u003c\/li\u003e\n\u003cli\u003ePrecise digital scale\u003c\/li\u003e\n\u003cli\u003eA silicone mat\u003c\/li\u003e\n\u003cli\u003ePLA filament waste\u003c\/li\u003e\n\u003cli\u003eYogurt jar\u003c\/li\u003e\n\u003cli\u003ePliers\u003c\/li\u003e\n\u003cli\u003eBasic white vaseline and cotton swabs (Vaseline can be changed by cooking oil or coconut oil but I haven't tried it yet)\u003c\/li\u003e\n\u003cli\u003ePersonal protective equipment - respirator, gloves, glasses\u003c\/li\u003e\n\u003cli\u003eHammer\u003c\/li\u003e\n\u003c\/ul\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-17_2e942e3b60317.jpg\"\u003e\u003c\/figure\u003e\u003ch3\u003eProduction process:\u003c\/h3\u003e\u003cp\u003e\u003ci\u003eEven though I don't use gloves in the videos because the materials I'm touching aren't hot to me, please read the instructions below:\u003c\/i\u003e\u003c\/p\u003e\u003ch2\u003eSafety first!\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eBefore you start working, make sure you are wearing protective equipment such as gloves and goggles and that you are in a well-ventilated room. The heat gun and melted PLA material can be very hot and cause burns.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen working with a heat gun, follow the manufacturer's instructions to prevent injury or fire.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eYou use the model at your own risk.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-17_1c5141cc056868.jpg\"\u003e\u003cfigcaption\u003eWeigh about 3.2 grams PLA material. If there is less material, the Gonggi will not be beautiful, If there is more material, the Gonggi will be longer.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-16_59aa41922b4548.gif\"\u003e\u003cfigcaption\u003eUse Vaseline and coat the inner parts of the molds\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-16_a12fbc17cdeae.gif\"\u003e\u003cfigcaption\u003eInsert the geometric shape (for experienced users only)\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-16_f00adfaeb1208.gif\"\u003e\u003cfigcaption\u003eAssemble the bottom part of the mold, align the parts according to the line\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-16_21dc222de41048.gif\"\u003e\u003cfigcaption\u003ePut 3.2g PLA waste into a yogurt jar. This must be fast: (maximum 10 seconds). Use the first power level of the heating gun, direct the hot air into the jar. Shake the jar fast to prevent the material from sticking to the wall and as soon as the material sticks into a ball shape, pour it onto a silicone mat\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-16_cfbb093e60c06.gif\"\u003e\u003cfigcaption\u003eLift the back of the silicone pad and heat the material. Place the pad on the material and move it to create a groove. The material should not be completely liquid. If it starts to stick to the substrate, it is too warm.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-16_e832e6222c97f.gif\"\u003e\u003cfigcaption\u003ePlace the material in the mold, close it with the top part, using the alignment line. Press with full force.Do not open the mold for at least 2 minutes.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-16_298bf0940efb6.gif\"\u003e\u003cfigcaption\u003eDo not open the mold for at least 2 minutes. After 2 minutes, you can carefully open the mold from both sides.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-16_ff55fc98f963c8.gif\"\u003e\u003cfigcaption\u003eIf the Gonggi remains in the middle of the mold, let it cool opened for another 2 minutes. Use the Hammer and Hand parts to remove the Gonggi from the mold.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-16_4af754af0bdba8.gif\"\u003e\u003cfigcaption\u003eUse the pliers to remove the pin.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-17_25d1a3cd35c158.jpg\"\u003e\u003c\/figure\u003e\u003ch4\u003eDetailed Production process step-by-step:\u003c\/h4\u003e\u003cp\u003eThe process is very long, don't be discouraged :-) I want to describe it as accurately as possible so that you can work with the model easily.\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eWeigh about 3.2 grams PLA material. If there is less material, the Gonggi will not be beautiful, If there is more material, the Gonggi will be longer.\u003c\/li\u003e\n\u003cli\u003eUse Vaseline and coat the inner parts of the molds\u003c\/li\u003e\n\u003cli\u003eInsert the geometric shape (for experienced users only)\u003c\/li\u003e\n\u003cli\u003eAssemble the bottom part of the mold, align the parts according to the line\u003c\/li\u003e\n\u003cli\u003ePut 3.2 grams PLA waste into a yogurt jar\u003c\/li\u003e\n\u003cli\u003eThis must be fast: (maximum 10 seconds). Use the first power level of the heating gun, direct the hot air into the jar. Shake the jar fast to prevent the material from sticking to the wall and as soon as the material sticks into a ball shape, pour it onto a silicone mat\u003c\/li\u003e\n\u003cli\u003eLift the back of the silicone pad and heat the material.\u003c\/li\u003e\n\u003cli\u003ePlace the pad on the material and move it to create a groove. The material should not be completely liquid. If it starts to stick to the substrate, it is too warm.\u003c\/li\u003e\n\u003cli\u003ePlace the material in the mold, close it with the top part, using the alignment line. Press with full force.\u003c\/li\u003e\n\u003cli\u003eDo not open the mold for at least 2 minutes.\u003c\/li\u003e\n\u003cli\u003eAfter 2 minutes, you can carefully open the mold from both sides.\u003c\/li\u003e\n\u003cli\u003eIf the Gonggi remains in the middle of the mold, let it cool opened for another 2 minutes.\u003c\/li\u003e\n\u003cli\u003eUse the Hammer and Hand parts to remove the Gonggi from the mold.\u003c\/li\u003e\n\u003cli\u003eClean the Gonggi of any remaining Vaseline\u003c\/li\u003e\n\u003cli\u003eUse the pliers to remove the pin.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eHappy printing :-)\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/makerworld.bblmw.com\/makerworld\/model\/DSM00000001217911\/design\/2025-03-30_232cc3f6c66da8.jpg\"\u003e\u003c\/figure\u003e\u003ch3\u003eTips and tricks\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAs beautiful as 2-3-4 colored aesthetic silk filaments can be, they look bad after melting. When the colors are mixed, they usually look brown and ugly.\u003c\/li\u003e\n\u003cli\u003eSome silk materials melt faster and then tend to stick to the silicone matt. It can be used, but be prepared\u003c\/li\u003e\n\u003cli\u003eBefore you start molding, clean the silicone mat and your entire work area thoroughly. If the melted material rolls anywhere, it will stick to all the dirt and it will be on the surface of the resulting Gonggi. It doesn't look good.\u003c\/li\u003e\n\u003cli\u003eIf you are going to use geometric shape insertion, please follow the instructions: - insert geometric shapes into the mold prepared with Vaseline. Vaseline will hold the shape in place - If there is a geometric shape in the mold, insert the molten material on the first try. When you move the molten material further, the geometric shape will stick to it and move.\u003c\/li\u003e\n\u003cli\u003eI made Gonggi with my 10-year-old daughter. She prepared the mold, inserted geometric shapes and pulled out the finished Gonggi. I operated the heat gun. It was a great collaboration.\u003c\/li\u003e\n\u003cli\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDesign by Frantisek23 on MakerWorld (license: BY-SA).\u003c\/p\u003e","brand":"Mymadmanlab","offers":[{"title":"Default Title","offer_id":67368595456304,"sku":null,"price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/0809\/5280\/files\/0_eb57a302-41a0-49ee-8546-91394a2ffbb9.png?v=1784038963","url":"https:\/\/mymadmanlab.com\/products\/gonggi-poop-mold-fast-production-from-waste","provider":"Mymadmanlab.com","version":"1.0","type":"link"}