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Photo: Zigzag triangle in the circle frame

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Global description

The size of the zigzag triangle is such so that it fits exactly inside the 20 centimetres diameter of the circle.The three sides of the body of the triangle all have a different pattern. The middle section of the triangle is open. The inner sides have the same patterns at a smaller scale as along the outside. The zigzag triangle is also called a ‘Christmas tree’.

Detailed description

The corners of the triangle are rounded. One corner has an alignment indentation to align the triangle with the degree markings along the edge of the circle. The side opposite the indented corner is straight.
Another one provides a smooth wave pattern, the final one has a zigzag pattern. Along the inner and outer side of the straight side two small indents indicate the length of a line segment to construct an hexagon. In the straight side oval holes can be found to hold a pen while rotating the triangle. The holes are placed to obtain curves at four, five, six, seven, eight or nine centimetres relative to the centre of the circle. Pushpin markers are placed near the corners.

Zigzag triangle manual

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Preparing the TactiPad

Place all eight knobs of the TactiPad approximately five centimetres away from the corners. Place the circle frame on top of the TactiPad.

Using the zigzag triangle

The zigzag triangle fits exactly inside the circle with the rounded corners nearly touching the circle edge. It can rotate freely. Place your pointing finger on the alignment indent and align the triangle at 12 o’clock. Now you can create an equilateral triangle inside the circle. Start with the indented corner at 12o’clock and draw along the straight outside of the triangle. Rotate the tool over 120 degrees clockwise (which is at 4 o’clock) and draw the line. Rotate once more over 120 degrees (which is at 8 o’clock).

 

Photo: Two sided of the equilateral triangle are drawn with the zigzag triangle

Hexagon in the circle

Align the indented corner at any degree indication and draw a line only between the two indents along the inner or outer straight side. Rotate the triangle over 60 degrees and repeat the draw. In total four more rotations are required to finish the shape.

 

Photo: Hexagon is finished in the CircleFrame

Repetitive patterns; Mandala type of figures

By tracing segments of the sides and/or combining patterns intriguing drawings will emerge. Whatever you do, the result is fascinating.

 

Photo: With wave-side of the zigzag triangle a repetitive pattern is made

Oval holes to create arches

The holes in the straight side of the triangle can hold a pen. Rotate the triangle holding the pen. Arches with a length depending on the amount of rotation and the selected radius will occur.

 

Photo: arches created by moving the zigzag triangle holding the pen in different holes

 

Photo: Circle frame positioned on the knobs of the TactiPad.

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Global description of the circle frame

The actual frame of the CircleFrame has similar dimensions as the TactiPad (28 cm by 37 cm). The thickness of the frame is four millimetres.
Near the outer edge of the frame oval holes can be found to place the frame in one of three positions on the TactiPad. For an a-centric position, two additional holes are present at both sides near the circle.

Detailed description

In the middle of the CircleFrame is a large circle cut out with a diameter of 20 centimetres. This is the actual drawing area. Along the edge of this circle medium sized indents every five degrees are provided, which form a large protractor. Around the outside of the circle there are extra markings: a teardrop shape for every 30 degrees, a line for every 45 degrees, or a combination of both where they coincide at 0, 90, 180 and 270 degrees. Indentations are placed around the outside of the circle frame in which rubber bands can be attached. These indentations are positioned at every 10 degrees seen from the centre of the circle. Slightly wider indents make the positions for 0, 30, 45, 60, 90 degrees, etc. easily recognizable

Circle frame manual

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Storage of the CircleFrame

The frame of the CircleFrame will sit or can sit already on top of the drawing board for storage. The additional tools for the CircleFrame have their place in the paper pocket.

Preparing the drawing board

Place the knobs of the TactiPad five centimetres away from the corners. The CircleFrame can be placed n three different positions: in the middle of the drawing board with the edges coinciding with those of the TactiPad, or in two positions left and right of the drawing board’s centre when in landscape orientation. Make sure the eight oval holes near the outer edge of the CircleFrame fit all over a knob.

 

Photo: Indications run along the edge of the circle: indents for every 5 degrees, drop shaped ones every 30 degrees and straight ones every 45 degrees.

Because the circle is exactly in the middle of the circle frame, the frame is horizontally and vertically symmetrical. Mounting the CircleFrame on the TactiPad therefore needs no consideration.

Inserting the tools in the circle

The wedge tool, the 468triangle or the zigzag triangle can rotate freely over 360 degrees within the circle. The drawing tools preferably are aligned with the degree markings along the circle.

For detailed descriptions and manuals of related tools see:

Zigzag triangle

468Triangle

Wedge tool

More ideas

 

Photo: CircleFrame with 3 tools on the TactiPad

The CircleFrame includes the zigzag triangle, the 468triangle and the wedge tool. They are only applied in conjunction with the CircleFrame frame.

For the CircleFrame see the section:
CircleFrame frame

To apply the tools inside the frame see the sections:
Zigzag triangle

468Triangle

Wedge tool

For even more applications see the section:

More ideas