Week 3’s assignment

design, make, and document a parametric press-fit construction kit

Using Inkscape to Create a Inkscape Flourish

It will be using variations of freehand and Bezier(pen) tools.

There are five steps to follow :

• Make Branch
• Make Stems
• Make Leaves
• Make Flowers
• Position parts

First set the Documents properties to Landscape, and click Draw Freehand Tools, setting smooth to 44 and shape to Triangle in, and draw a curve like this:

Second draw more curves as stems, and click the curve, drag the pink square at the curve beginning to change the width of the curve. You may try this several times and delete unwanted curves. In the end got something like below. In the end we will rearrange the stems.

Then we prepare leaves and flowers. First draw two eclipse, and resize one to form a leaf.

Then move a stem to the leaf, and using Path –> Deference to cut the stem from the leaf.

Using duplicate function to get bunch of leaves. And add two small eclipse to the leaf, forming a petal of flower.

For parametric desgin, I first insert a polygon as the center of the flower. and resize the petal close to the center of flower. I using Creat Tiled Clones to other 5 petals, and rotate each petal the right position.

The petal can be easily changed by modifying the orginal petals.

The last thing is to place flowers and leaves, reposition the stems, make it beautifuly.

The finaly inkscape_flourish svg file ready for cutting is here.

CNC Cutting and AutoCAD

For the laser cutting, I plan to cutting an easy object. So I choose to make a small round table and a few bench. The diameter of the table is 10cm, the height is about 8cm. With two cross connected boards to do support. If I scaling down the table, it can be treated as bench. The board is about 3mm thick, considering the laser cutting gap. The real slot width is set to 2.6mm. I add one more round board to hide the connection of the base support.

The laser cutting is perfect, the table is like this

For the little bench, I make it a quarter of the round table. It can be hidden under the round table. So I make four bench. All move out:

It’s looks great!

When put all of bench under the table:

Cutting is really fun to play!!

The finaly Auto CAD Theable files, and bench is here.