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Scenario:  a cylinder, 6" diameter with a 1/4" wall thickness.  At the midpoint, a 4" diameter cylinder pierces through at 90 degrees. I want to create a 2D DXF flie of that 6" cylinder UNWRAPPED, which will reveal the elongated holes needed to create a round hole through the 6" cylinder.  It will be cut with a plasma table and a rotary accessory. Your help is appreciated! I make training videos for the proprietary DesignEdge software that runs the PlasmaCam tables.  I am HOPING that DSM can create the needed 2D DXF files without owners being required to spend $2,000.00 on the DesignEdge "Pipe Cutting Upgrade" addmenow (at) mail (dot) com

I have decided to replace my 12V halogen bulb downlighters as some have started to fail. Just the bulb has failed which leaves me with the electronic transformers. Typically they are 230V to 12V but at 40+kHz, so assumed pulse width modulated, especially as suitable for dimming. Has anyone found an alternative use for these? I must say the replacement warm white LED downlighters I have replaced them with are much better in my opinion even without the efficiency and (hopefully!) long operating life specified. Just a shame to have to recycle the working halogen transformers!

Why can it round one side, but not the other?

My end goal is to create a lamp shaped object for 3D printing. I have created an arc using some curves and lines, but I cannot get these to become a surface/face. All the endpoints are aligned. I've attached a file showing my progress. What I want to do end up with is change the arc I've drawn into a hollow dome shape. I thought I could just create an arc shaped surface and then extrude it around an axis to create the dome, but I'm having no luck. Any ideas/help/suggestions, please?

New to DS PCB. Can´t find any IC´s in the libraries (Design spark, LT spice or Xspice). How do i install or get libraries with IC´s and in my case, NE 556?

Hi, I am making a pcb from a schematic in designspark PCB. I cannot seem to get the components on the pcb  to show their pin numbers or names. All layers are turned on. The pin names and pin numbers boxes are ticked in the component properties. Any help would be very much appreciated.          

Hi, I am making a pcb from a schematic in designspark PCB. I cannot seem to get the componetns on the pcb  to show their pin numbers or names. All layers are turned on. The schematic symbol is below showing pin numbers and the PCB symbol below showing no pin details. Any help would be very much appreciated as this didnt happen before.      

Hi, is it possible to add an invertion line over a signal name? Regards, Manfred

HI All, urgent on, i have a PCB ready for production but DS seems to be missing the solder mask off the gerber output from a set of the same component, They show on the Soldermask layer in the designview but when i open the gerber in a viewer, only the throgh holes are shown, any know why this might be? The component does have a solder mask layer and im on DS 10

３Ｄ図面で作成した装置図面を各々のパーツでバラシて２Ｄ化（バラシ図の作成） する際は皆さまどうしてますでしょうか？ １つの３Ｄデータで複数の２Ｄ図面ができるようなシステムかと思ってますが １つのデータにパーツ図が１００点近いと重すぎてＰＣが動かないのではと思ってます。 何か良い設定や方法は無いでしょうか？

Liburary Loader の開け方詳しくお聞きしたい。1000万点のライブラリーとあるが 利用法詳しく説明してほしい！！！大至急お願いします。 　　　　　　　　　　　　　　　　　　　　　　　　　　草川　光博

Hi everyone! To design someting, we could direct modeling with DesignSpark Mechanical, right? But I would like to know more details about designing 3D models because I just had the stimulation model popped up in mind, I hardly create anything with basic knowledge tho.Can someone please give mea piece of advice or guidelines? Thank you so much!!!

Hi, Can someone help me with cross sheet references? I found no components like "To" which is described on the helpdesk, but for a previous version. https://designspark.zendesk.com/hc/en-us/articles/211424549-How-can-I-add-Net-References- Thank you, Manfred

Hello!   I want to make something that uses PWM pulses to control the closing of an electronic switch. And from the information, is it more appropriate for this to use the lm2903 comparator? Good listening!

Hi this is my second time on the forum.  I draw a compression spring in 3 parts useing the cyclinder tool and then pull/helix tool and tried to combine them into one spring, but it will not combine.  The dementions of the spring are 13mm ID, 15mm OD with a 1mm diameter wire.  The centre section was L 20mm, Pitch 2.5mm.  The two end sections were L 2mm and pitch 1.1mm.  After combining them, I try to select it but only one section will hi-light.  I use the Ctrl to hi-light the other two dections and try to move it.  It will move a little way then weard things start happening to the image.   Could the problem be because it is hollow? How do you change it from hollow to solid?