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TZ 140 Prismatic work samples with slanted cut-outs



  • Collection of geometric models providing an introduction to technical drawing
  • Systematically graduated degrees of difficulty


Technical Description

The geometric models support the learning process by providing an introduction to technical drawings: from the solid model to the more abstract representation of the three views in a technical drawing. 

The TZ 140 set contains 18 aluminium drawing models. The prismatic models have cut-outs parallel to, and at an angle to, the edges of the prisms. The models are precision-manufactured and are suitable for measurement exercises as well as drawing exercises. 

For optimal learning, it is recommended that students work independently from each other on these exercises. Two students can easily work with one model set.

The models are clearly laid out on a tray. Multiple trays are stackable, providing for space-saving storage.

The instructional material includes a complete set of drawings. It presents each model in three views, as well as its 3D view and production drawing.

Learning Objectives / Experiments

- familiarisation with three-dimensional views as the basis of technical drawing
- step-by-step development of three-dimensional visualisation: from the solid model to the more abstract views in a technical drawing
- systematic familiarisation with a wide range offeatures on prismatic base forms
- exercises in production-oriented and standard dimensioning
- measurement exercises: outer dimensions, inner dimensions, angles, tolerances



[1] model set providing an introduction to technical drawing
[2] set of 18 prismatic models, made from aluminium, with anodised finish
[3] models with slanted cut-outs
[4] finely graduated degrees of difficulty within the model series
[5] all parts clearly laid out on a practical tray
[6] multiple trays stackable
[7] precision manufacture of the models enables measurement exercises
[8] lesson-supporting instructional material

Technical Data

Dimensions of each model
- approx. LxWxH: 45x45x80mm

Dimensions and Weight

LxWxH: 600x400x140mm (tray)
Weight: approx. 9kg

Scope of Delivery
1 tray with cut-out foam inlay
18 geometric models 
1 set of instructional material

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