All recommendations are welcome. In particular how to vibrate a two part mold without it breaking apart. I did not weigh the mix and water, but i suspect i used too much water. Also added about 2% plasticizer.

  • SaneMartigan@aussie.zone
    2·
    11 hours ago

    Consider lubricating the inside of the mould so it’ll release better and some reinforcing mesh. eg, cooking oil spray, raw fiber glass.

    • jay2@beehaw.orgEnglish
      2·
      32 minutes ago

      we used a custom mix that was affectionately nicknamed ‘the grog’, but it was mostly wd-40 and white lightning lithium grease.