Pracas, your choice of material should be based on a number of factors: We also made extensive use of CA glues and epoxy for bonding.
yes human hair because of its tensile strength vs diameter. Suspension cables were made from monofilament line, very small gauge wire or in one case human hair. Piers might be acrylic, polycarbonate of in some cases machined aluminum. sometimes laser cut in a truss-like pattern, whereas roadway surfaces might be thin (1/32 - 1/16” thick) plywood.
The bridges where made from various combinations of balsa, thin aviation grade plywood, acrylic, polycarbonate, styrene, brass and aluminum with the choice of material based on the type of the part, its load bearing requirement and the level of scale detail required. Most of the study buildings were made of sheet acrylic or polycarbonate with some small scale details made from sheet styrene.
#Strong toothpicks bridge full
My job was to build scale models of bridges and buildings for use in wind tunnel and snow flume analysis prior to the expensive construction of full scale (real world) ones.
#Strong toothpicks bridge professional
The best job I ever had was as a professional model builder (20 years ago) for a consulting engineering firm. I've been sitting on the sidelines watching this thread to see what might surface and felt that it was time to add my 2-cents worth. I always wanted to replicate it in another material, like thin plywood or coroplast, and scale it up, perhaps for a shade structure or other shelter. Something I used to have fun with as a kid was building "structures" from origami-like folded paper a really strong structure of that nature can be made by multiple valley folding a piece of paper (turn it into a corrugated-like sheet), then with all the folds done (thin strip), folding "legs" back and forth, then opening the sheet up and valley folding those legs in - you get a "quonset-hut" style arch structure with multiple compound valley/mountain folds I found that a single sheet of copy paper folded this way could support a small book (provided you anchored the outer "walls" to keep them from collapsing outward). I know that at one time they used to make "bridge modeling" kits (look up "panel and girder" kits - these were made back in the 50's and 60's for model skyscraper building, and there were similar kits for bridges) they won't be cheap (but will be cheaper than lego). Suspension-style bridges would need twine or string, of course, and the towers could be built from anything.
Straws can be stuck together using pipe-cleaners. Toothpicks or matches tend to be the cheap material of choice popcicle sticks or straws can work well, too.
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