A building kit for love...

The idea of a “Love Robot” was originally planted in my head by my daughter Tika’s work “A Robot made of Love and with Love”, as shown in the third picture below. So I started making little robots that are magnetically drawn to each other and when kissing, they show there love by lighting up their throbbing hart.

My kissing robots described in “Give the Gift of Robot Love” were a big success. Such a success that I soon game to the conclusion that preparing the kit as a gift takes a lot of work. I don’t mind putting effort in making a gift for my friends, but I took just too much time to be able to spread my love to more people.

Therefore, I decided to design a new version were the kit only needs laser cutting parts and gathering available components. At the same time I tried to simplify the assembly by the recipient. People being less handy doesn’t t mean I love them any less ;-)

Waiting for the parts to arrive I made a simple animated GIF (fourth image below). It gave an idea of to the real thing. Obviously, with the parts available, I was able to test and do some fine tuning (as will be explained in the following steps). Check out the result in this video:

The kit is assembled without any tools. How to assemble is described from step 4 on, but first I explain how I came to design.

The main aspect of the design is a solder free concept. I realise soldering would give a more reliable electrical contacts possible, but then I considered that true love should allow for sorting out a broken contact once in a while :-)

Another part of the concept is using (ID) photos as a face, allowing for a very simple way to  personalise each robot.

If you like this Ible, please give it your vote.

Step 1: Parts for two robots:

2 blinking LEDs (red being the colour of love) operating on 3V. Some blinking LEDs are clearly underpowered on 3V. The ones from Opitec (n° 236135) work great.

2 SPDT switches with a long lever. I use the cheapest available at Conrad (n° 703673-8A). They come with a wheel at the end of the lever, which is not used as wheel, but helps keeping the lever end in the head construction.

2 button cell batteries, 3V each. I use two CR 2032 for my design. Other batteries with other dimensions would need an adaptation of the design of the part holding the battery.

2 bolts M4 x 35 mm, 2 bolts M4 x 20 mm and 4 nuts M4.

4 washers fitting M4 bolts.

2  neodymium magnets 5 mm diameter X 15 mm length  (The design can be adapted to more common magnet sizes like the ones available from Opitec)

2  neodymium magnets 8 mm diameter X 4 mm thickness (e.g. n°208305 at Opitec)

2 pieces of foam tape, 3 mm thick, about 5 x 5 mm

6 mm clear acrylic sheet (laser cut). I choose 6mm because the common SPTD switch is 6.5 mm thick, so it will be firmly held in the layered build up. You need clear or translucent acrylic sheet to have the LED shine through.

The design for the laser cutting is provided below. I made it in Inkscape. The design gives the parts for one robot only. I couldn't fit two on a Pponoko P1 sheet. I was planning on adapting the design to fit two robots one P1 sheet, but instead I am thinking of making the robots slightly taller, and changing the proportions to bring the LED closer to where the human heart is.

Apart from a laser cutter or laser cutting service, there are no tools required.

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where can I Finde strong powerful magnet?
Thanks for your interest.<br><br>Specialty stuff like magnets are mainly supplied online these days. Google for neodymium magnets in your region to find online suppliers.<br>I get mine from www.opitec.com.
hi I'm new to this sight I like your creation
This is lovely - and I have been a fan of your 'ibles for some time now. <br> <br>One thought - as it stands you will have two populations of robots - those with &quot;North&quot; heads and those with &quot;South&quot;. N-S will &quot;kiss&quot; but &quot;N-N&quot; will not. I somehow think my girls would be sad if their robots couldn't kiss Mummy's and each other's. <br> <br>If you arranged to have two small magnets next to each other on the head then the RHS could always be North (say) and the LHS South and then all robots could kiss all other robots! <br> <br>Just an idea. <br> <br>Ugi
Thanks, and what a great idea! <br> <br>At first I was thinking how to integrate two smaller magnets side by side and obtain a long distance magnetic field with similar strength. <br> <br>But then I thought I could use the original magnet size and put them in as cheecks! <br>I will have to try it. <br> <br>Thanks again!
This project is amazing, but I might suggest choosing something that's a bit more indicative of what the project is about for the main image. Instead of a design sketch, how about a photo of the actual robots? <br /> <br />Great job, BTW.
Thanks! <br> <br>And you're absolutely right on the use of an actual photo. I was up still working on the photo's up untill now, while I already had made the animated GIF while waiting fror the laser cut parts to arrive. <br> <br>But I have put a photo as main image now.

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