Oversized montessori sliding rules

thingiverse

These oversized sliding rules exceed expectations in size, with the largest measuring a substantial 400x40mm. The decision to opt for this maximum dimension was driven by the capabilities of my 3D printer, which can only produce pieces of that scale. However, there's another compelling reason for their generous proportions. Unlike typical sliding rules, these are designed to be used in groups, allowing multiple children to work together and learn from one another.