This casting was made using my homemade green sand. No need for very fine casting details it's just a sand box after all ;-)
This is my sketchup design:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwPg2SQERTL3OW6kz_h7YjzOGxrA9GUgb_Kr1bG_VUmrOldfkSnemQL-1IvGF9k3OBU_ftCP8gTMfhkpmKvk4YjJOABQfKgrwPrD5XcpL1BauFmj47_6NaEm-SuX4e40ZVQUZ9zisoFuf6/s200/aluminum+foundry+flask+xray+view.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiXLzEzhCE2WIocLMGiDXl8KMjmMxlyuIUOmGYuIjkk4WPfpNuhmM9Q3MegsVokqebg2WYnyvGCrx5xPBJPtPNwkkzdO1lPfb-FcVMSKfpXUC5VB7Opjf8yG4eW6ny5FeO4UXgtsbgcMV2A/s200/aluminum+foundry+flask+design.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixGNGX-6jBpirak-btdMMkSl7ZhvJmUjS1eYceMlKycHsljBTPFpT0jQGn1U7o2LeBNlMrax04maehE2r5jXW1mztiLGuzqm1wDMWKDqWD6p7-czOU2S30t3Jn3NCgiDfZclCNSdPzOpka/s200/aluminum+foundry+flask+copen+and+drag.jpg)
I made two patterns for each side of the flask, so the drag part is just a mirror image of the cope. The third pattern is my FlamingFurnace plaque name and flask size.
I made it optional to make the sand mould impression with or without it.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiklhP2r9TIziwng4qu8fxHHNGaU-rYGdDfn8yHqMTCCa7NU6wW60MZdNAOQLfv9xSEiGXW67OSIK9YQ4nyrGystxXTfEL-0BfcmBIwri6stABTAAXrIRULwphw3QnR_jNlJ7i-ktmYxIie/s200/foundry+flask+pattern.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhayjdkFzUlWhfnOjt81T5n8Xi-MtwHWmXLj3mPNeORdreZFxG7YzYRQh646Z3VQzOqNnPnrOrfICD3zxY3FJlLCehaH6DqYT_LD6JQjh6KLICs7XJHFlmJH4ygYDqSWj3f96JT8ORUGKOs/s200/foundry+aluminum+ingots.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg4a2Hd1B50wa1VKDA5YZ4sAckTmauIEQ6zaSBskMnzKLQ8BEWNibHVe6hfpgpIJ2v3MBhBhUMLxogH6D6uAgX1MwR8mJr0d6C1LS4-rQQGEDlBtseYjQVQwDLBzOFP84Z8Lp9fwmkAwk-c/s200/large+foundry+flask.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikT2wv7f_DhTFU9IRgzkD0UMb8EZkCSrl8iOT61lBgK6RAtvSsq9jMFHKM0T6_W9PLEPi_Fx3EqrcTbH_HGLbjnv6swEwBXMUJBPtInYmDNUnBlRcKHpETo23i7GaYXOnr3Wqb8v4rfqlD/s200/aluminum+foundry+casting+shake.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4pznpgk6wvgaoNmEQ4jRUAoXY7osYZwuwPL_KRPsq7c3H2QbAsZYrcNev69fCNjRJiXApQy8FpIfdgpB5CGS9YHRY5hXd1llEtlxUxQZPijfOxqjbRaTYxr1RH4cN0VmXBcc6EGrBQ4PG/s200/foundry+flask+casting.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-87KKEAdgGtYu7C2k0LDuNaKWR1u19U0MDSMXTlKq3iVbiXZP5nhMch7qW7cflkFFQXxoFkssancNGI8JUKiS6nL7XYjRNT7MTb-Zx7I-_Jti_yn-HsQqN1qwjJHhKqBmnjgYRptGCK3i/s200/foundry+flask+one+side.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLNmBo1IUoWfHEVt2tZLUV-MnhVewdCmeWj3lpuQLzVJgs10QT_ZZOE8dDVsDFCipKwzSSyoZo4SfHG-Rpf5N7qtoWSnS2tUOI0rGo7Kr57x787Q3D9HyDIiEfsN832CbvCT4tCfs-fnsZ/s200/foundry+flask+back.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh68AC0cYxwBAAN01N-a_Q5JtsmR22Tuk2yMWzqBgdlnH_X4N6Psvy-D-iuqepzPSThDUNdGixwwUQPCzXCpXma_lVx6I5U1NnPSTX4WokXspEYvYXVbnGOOW_H7Y71Xtb0okeJRvZDqCZo/s200/aluminum+foundry+flask+casting+and+pattern.jpg)
In the next image you can a correction I made to the gating system for the sprue, riser. This small change from the gating system I have in the video will prevent porosity.