Sketch auto-snap to object

[Anonymous]

Hi Folks,

I am trying to draw a bench from which the feet are 15° inwards. This has been my progress so far

1. From top view, create sketch 1 and draw centre rectangle (400 by 900mm)
2. From this centre rectangle, extrude a body or component (named "seating area") upwards with offset 400mm (seating heigth), thickness 18mm (thickness of the wood I'm using for the seating surface)
3. From sketch 1, create offset rectangle which is 10% inwards (i.e 45mm left & right, 20mm front and back)
4. From this offset rectangle and along the shorter 360mm line, create a construction plane that is 15° tilted towards he interior of the rectangle.
5. On this construction plane, I am trying to draw a tilted rectangle starting from the bottom all the way to the lower side of the seating area.

And this is where i'm running into my problem : this tilted rectangle does not "auto-snap" or "auto-align" to the lower part of the seating area. Any tips on how I could solve this? 

I added a video for a better explanation. 

Thanks in advance for your support. 

Best,

[g-andresen]

Hi,

1. Project is your friend:

> Sketch > Create > Project (P shortcut) > Options: Lines (edges) & Bodies

2. You can enable auto project in the preferences (Design > AUTO PROJECT edges on reference)*

günther

*I prefer the manually projecting

[Anonymous]

Hi Gunther!

Thanks for taking the time to respond!

Unfortunately I am not familiar with the project tool hence I don't really understand your answer well. 

What should I select to be projected and on what should I project it on? 

I've captured a video trying to replicate what you are advising 

https://autode.sk/2FJXxbE

Thanks again! 

best,

25bd3628-cdfb-4097-8205-932f1a08de19,640,620

[g-andresen · Accepted solution]

Hi,

I forgot to say that it must be Project Intersect tool. Then you get the projected profile of the plate at the sketch plane.
Sorry I can't make a screencast right now.

günther

[Anonymous]

Genius! Thanks 😁

While we're at it, any tips on how to have the leg be compound tilted (15° inwards & 15° to the right)? 

Should I add another plane at an angle and somehow combine both planes?

[g-andresen]

Hi,

I would create a path (line) on the sketch plane  in angle and length as desired.
The (projected) profile of the leg is sketched on the bottom of the plate and finally swept with the sweeptool.

günther

[laughingcreek]

I don't have time to post a detailed explanation, but you can get your angles members by extruding from sketches off your origin plane.  The technique was used to make the legs in the attached model.  Pretty much all the techniques you need to make your table are used in this model.

The biggest point of the attached though is that all references are to the original 2 sketches, there is no cross component referencing. 

[Anonymous]

Thanks! That helps a lot!

 

The problem I'm seeing now is that the cross section is not accurate.
I start from lumber (44x44mm) that I tilt 15° both ways.
By using the sweep method you create a narrower 90° cross section than real 44x44 since it is actually a 75° (90-15) cross section.

See image below

Any idea on how to start by drawing a true 44x44 mm section that I could then sweep by using your method?

Thanks again for your support, it really helps me a lot.
I looked it up on youtube but couldn't really find something alike.

Best,