Twisting Thread Model

Code: 655 4-sided pyramid, detachable, with horizontal + oblique section; Edges: 200 mm

6 piece set of Geometrical bodies with sections Rectangular prism, 3-sided prism, square prism, Heights: 200 mm; 4-sided pyramid, cone, cylinder, Heights: 100 mm

Code: 240/Sb 9 piece set of geometrical bodies, colored transparent. All geometrical bodies as shown in set 240/Sa: Prisms red, pyramids green, cylinder, cone and sphere blue.

Code: 303 9 piece set of models with nets of surface in suitcase: Cube (100 mm), square pyramid (100 mm), cone (120 mm), square prism (150 mm), rectangular prism (200 mm), cylinder (150 mm), tetrahedron (150 mm), 6-sided pyramid (150 mm), 4-sided pyramid (200 mm)

Code 713 Cone penetrated by cylinder (right-angled), with nets of surface; Height: 200 mm

Code 239/Ze Cone with four detachable section parts. Shapes of section planes are: circle, ellipse, hyperbola and parabola in different, transparent colours. All parts are centered. Height: 300 mm

Code: 6 Cone with ellipse and two spheres of contact; Height: 260 mm

Code: 9 Double cone with spheres of contact and hyperbola section; Height: 235 mm

Code: 250 Model for the projection of a body: The body to be projected rests on a stand in a three-dimensional corner where the vertical walls display front view and side view of the body. The walls are collapsible onto the horizontal projection plane describing the top view.

Pyramid with 4 bodies to put on top: Cube, 8-sided prism, 4-sided prism and cylinder; Height of pyramid: 150 mm