Draw the design of 12 pentagrams from cardstock, cut the design out, fold along all the lines, then glue or tape the edges together where they meet.Know More
There are multiple templates available online. However, for a custom size, it is easy to create a template. Draw a pentagram the size of one side of the finished solid. Trace the pentagram in the middle of a piece of cardstock. Draw another pentagram on each of the five sides of the first, creating a group of six. Repeat these steps again so there is a second group of six pentagons. When assembled, there are 12 pentagons in the shape, one on top and one on bottom with 10 others around the middle.
Cut the groups of six or the template shape from the cardstock. Cut carefully so the edges of the finished solid are sharp and straight.
Use a ruler to make the folds sharp and crisp. Lay the ruler on the line to fold, then bend the cardstock up. Rub your fingernails along the crease. Continue to do this for all the edges. If the pattern used has tabs to make gluing easier, fold them as well.
Tape or glue each of the five pentagons surrounding the original one to its two neighbors, then to its corresponding piece on the other pentagon group. If there are tabs, fold them inside the shape and glue or tape. If there are no tabs, tape the pentagon sides together on the inside or outside. Continue assembling until all 12 sides are attached. The last tab might be slightly difficult, depending on your method of assembly.
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To make a graffiti stencil, select an image that translates well in two contrasting colors, and then print it onto a sturdy material, such as cardstock or cardboard. If necessary print on regular paper, and glue it to the heavier material for durability. Finally, cut out the stencil design using an exacto knife, or similar sharp cutting utensil.Full Answer >
A regular decagon has 10 lines of symmetry, one line drawn through each vertex and one line drawn through the midpoint of each edge. A line of symmetry indicates where a polygon can be folded in half to form two equal shapes.Full Answer >
The number of lines of symmetry a triangle has depends on the type of triangle. An equilateral triangle has three lines of symmetry, while an isosceles has one line of symmetry, and a scalene triangle has none.Full Answer >