12/25/2023 0 Comments Carboard fireplace 3dEverything you papermache will wind up being about 10 – 20% larger, so those tight gaps between stones? Yeah, make ’em slightly bigger than you think you need.Or they live in Portland, OR, but if it’s not wet and swampy where you are, well, you do all those layers and put the rocks out on cookie drying racks in the warm shade and get on with your life. Now, some may tell you that allowing every layer of mache to dry completely is necessary. You don’t need a different form for every rock: cheat on the sides and just repurpose - and squash - the forms you created for the front face. But use it on long-edges, making a cardboard-styrofoam-carboard sandwich - you’ll be amazed at its added strength (see my mantel). You’ll never sweep up all those bits of ball-foam, so accept it.Wrap your rock forms with plastic cling wrap to make removing the dried shells from their forms painless (if you really wanna be cautious begin with a first layer of just wet paper - no paste - but I never experienced too much difficulty).Create your river rock forms not as over-sized loaves of bread or baked potatoes: include some flatish-surfaces.Much easier to count completed layers if they look nothing alike. Why alternate papers? You’d be surprised at how easily you’ll loose track of whether you’ve finished a layer. Do one of newsprint, the next of YellowPages, the next of plain brown kraft paper, repeat ( this 1,200′ roll from Amazon is perfect for paper mache, and at about $30 will last you years). Remember, all paper mache’s strength comes from its glue, not the paper. I like a pea soup consistency, but you do what ya like. I will list a few, well, not tips, but “these works for me” suggestions.
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