Rubber Stamping Machine
Dev Diary
Having rubber stamped the pages I saw that there needed to be some kerning and corrections going on. Not all the stamps are level (within their own design), so probably the best thing to do is correct that in code, adding small "nudges" to the position of each letter.
Which left me with the question of what to do with the large sheets I'd just stamped. And the normal solution, cut them up into postcards to I can send them to people.

The problem with the letter stamps is once you separate them, they become very unruly and hard to control.
Back to the 3d printer again had a workable solution which keeps them nice and tidy in the draw.




Trying different colours and a different orientation portrait rather than landscape.


So I decided I wanted to start using these small little square stamps just as a change from the ones that are stuck on the acrylic blocks. It reminded me a lot of a letterpress machine where you have to lay out all the letters first and then you stamp it, but in this case, I only have one of each letter, and it stamps them out one at a time, which, because I'm controlling the code, takes less time to set up but more time to print individual ones. But then I need less of each letter.
So I 3D modelled these little holders and went through a couple of iterations until I found something that I could slot into the drawing machine and then I've also got these little holes on the stem that allow me to rotate it 45 degrees and lock it into place.
Not all the stamps are quite the same size, so I had to print subtle variations that were each a mm difference. Marked by the .1, .2, .3 & .4 which are fractions of mm larger. The wood will expand and contract throughout the year too, so it's not a one size fits all solution.



Am I childish? Yes.
Did it test the code worked? Also yes, so I'd count that as a win.



When the sun hits just right.

I should have gotten better photos, anyway, I designed and 3d printed (I have a 3d printer now btw) some better "pens" to go in the machine that have bases that snugly hold the acrylic squares that in turn hold the rubber stamps.
I made two birthday cards for my friends Alice and Russell. You can see the finished Alice hard and the uncut Russell sheet.
Pretty fun way to make birthday cards.



This time I went for dividing the 360 degrees into a whole bunch of different rubber stamps.
The advantage of using a flow field as the underlaying structure rather than randomness is you get these nice "logical" but not predictable groupings to the rubber stamps.
It has some logic to what's happening that looks intentional, which it is, but it's intentional with code rather than me doing it all by hand.
Different stamps, and different colours. Each colour is it's own flow field.
In the end though I didn't really think this worked very well, so I expect it'll get cut up into postcards at some point.



Hear me out, what if instead of the eight compass points we had just 6 points, or maybe more.
I mean, it's simple really, 'cause what I actually have is each point on the paper having a direction somewhere between 1 to 360 degrees, and I can divide those up into 8 segments (actually sectors, but who's keeping track), or just four, maybe 26!
To test the code I split the directions up into 6, and instead of an arrow, I just used the numbers 1-6, best to keep things simple.
Which is how I ended up with a page full of numbers.



I was playing with flow fields. Very basically it's a way to turn any x,y point on a surface into a direction (vector), but instead of all the vectors pointing the same way, or being random and pointing in different directions, a flow field means adjacent points on the surface will point in roughly the same direction as those near them.
It's a neat way of getting natural-ish looking "flows". And because I've been thinking about stamping letters onto a page to make up pattern, and also rotating them, so I can get more dynamic "flow" into the design, I thought I'd have a look at how that may turn out.
So I made a fairly low resolution flow field, where each point was round up/down to the nearest compass point; N, NE, E, SE, S, SW, W and NW.
Load up an arrow rubber stamp and stamp all the N directions first, then NE, and so on until the whole page is done.
Then you have a rubber stamped flow field, nice!




Love Notes
I should have take more photos, and there's been a bit of code going on between this and the last post. In that I now have some code that I can feed a word to and it'll stamp the letters from that word in random order onto the page.
Except 1/3rd of the way down, about 5-6 letters from the right edge it'll place the letters in order to spell the word.
This way I can cut out the a notebook cover bit from the print and the word will appear on the cover in roughly the right place.
I deconstructed a FIELD NOTES notebook, replaced the cover with these and stapled them back up together.
And so for Valentines Day we have some LOVE NOTES
I guess this is the start of making Handmade Notebooks


Today I wanted to try something larger, I think this is half imperial paper, proper fancy printmakers stuff 🎩
Decided to make printing out the letter AAAAA a bit more interesting by not doing it on a grid but by moving the x position by an amount controlled by a couple of sine waves. That way they bunch up and spread out to make it visually a bit more interesting than a grid they'd be in otherwise.
These rubber stamps are made from silicone that "sticks" to an acrylic block, surface tension I guess. Anyway, I rigged together something with bits and bobs I had laying around and some tape. That allows me to put it into the ArtFrame and easily-ish swap the stamp out, which explains the AAGGGGHH at the end!




A new plotter arrived from Bantam Tools the other day, it's called the ArtFrame and it's supposed to be a drawing machine. However the moment I saw it I thought "I think I could get that thing to hold some rubber stamps!"
You basically send GCODE to the machine, which are instructions for it to move to x,y and z locations, x & y control where it moves to, for example 10cm across, 15cm up, while the z controls the height.
There's one more important setting which is speed, which allows you to control how fast it does those things. So it didn't take much to write some code to tell the machine to move over an ink pad, quickly lower and raise the stamp to ink it up, move to where you want the stamp to be, and then quick stamp down.
So I grabbed my cat stamp and gave it a go.


