Sculpted in different materials, the figures that, according to Christian tradition, depict the scene of Jesus’ birth are displayed in nativity scenes throughout Brazil. They are found both in public ...

This Note discusses actions that will physically affect the object, and/or procedures that involve the use of chemicals. Exercise caution, and seek qualified assistance if in doubt. Plaster of Paris ...

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3D printable plotter adapters for pens and refills Use your favorite contemporary pens on vintage HP plotters with this parametric OpenSCAD code to create custom adapters.