thanks, Maha Nadarasa it's a good method I had no idea but I continue with the problem since I cannot make it work for a case like this where the tube is tilted 80 °

Victor Orrego - If the Center Tube is at a degrees other then 90, then the stair treads need to be different length, therefore each part would be different..

ok I did it but, a problem arises; the steps align to the normal face of the cylinder which is not good. How can this problem be corrected, so that each step is parallel to the top view?

Is there another method? I see that I cannot find a way to align the parallel steps between them. I am close to then delimit it with the walls and make the cuts of each step.

Since posting yesterday, I have made some modifications. but the thing is that the matrix does not let me use the metal sheet; so i used only one extruction from the base to be able to make the array. the other is that the leaf is rotated and is not parallel with the first rung

all the steps are the same, they focused on something useless, better I did step by step would be something like this

I am sure that this should come out of an array, as you can see all the steps are the same the problem is that I still cannot distribute them correctly. since solid has limitation to orientalize them in parallel

1. Create one step 2. Make sketch with pole axis 3. Circular pattern 4. Linear pattern 5. Delete unnecessary steps 6. Create a pole 7. Use the pole to trim the steps

If the steps are made as sheet metal, all instances are ready for cutting/drawing

Time: 15 min. with tutorial

Edit

The steps are the same - they differ only in the angle of cut to the pole, but of course you can make different.

## Attachments

thanks, Maha Nadarasa it's a good method I had no idea

but I continue with the problem since I cannot make it work for a case like this where the tube is tilted 80 °

Victor Orrego - If the Center Tube is at a degrees other then 90, then the stair treads need to be different length, therefore each part would be different..

Yes, I understand, but I can make them the same length and then cut with a box and each one would have a different length

Whatever the angle of the tube does not matter but the curve should be on tube surface then only you can apply curve driven pattern.

ok I did it but, a problem arises; the steps align to the normal face of the cylinder which is not good.

How can this problem be corrected, so that each step is parallel to the top view?

Is there another method? I see that I cannot find a way to align the parallel steps between them.

I am close to then delimit it with the walls and make the cuts of each step.

It is not properly design as well.

Since posting yesterday, I have made some modifications. but the thing is that the matrix does not let me use the metal sheet; so i used only one extruction from the base to be able to make the array. the other is that the leaf is rotated and is not parallel with the first rung

It can not be patterned.

Each one is different in length and angle to the post.

Nice design, lots of work.

Frederick Law I just need everything to be well endowed and then cut the leftovers

Manually model the last one and see how they're different.

If Frederick Law saying is true you have to sketch each one individually to achieve the desired result.

Call me crazy mcboring but I'd model this like any of the above suggestions to get an idea of the spacing and then make a part with:

1. a circular cut on an angle (the middle pole) that can be changed, and

2. straight cuts (the walls) that change distance based on the angle of the pole (it's a pretty easy trigonometric equation).

all the steps are the same, they focused on something useless, better I did step by step would be something like this

I am sure that this should come out of an array, as you can see all the steps are the same the problem is that I still cannot distribute them correctly. since solid has limitation to orientalize them in parallel

You need to define the "spiral" correctly.

The "spiral" axis should be vertical. Not tilted.

Remove the center post.

Plot a curve at "center" of the steps and see what it is.

Latest file?

Not screenshot but file.

.

## Attachments

I do not know whether this will satisfy your requirements. But I found this a easiest way. Some adjustments have been made to simplify the model.

## Attachments

1. Create one step

2. Make sketch with pole axis

3. Circular pattern

4. Linear pattern

5. Delete unnecessary steps

6. Create a pole

7. Use the pole to trim the steps

If the steps are made as sheet metal, all instances are ready for cutting/drawing

Time: 15 min. with tutorial

Edit

The steps are the same - they differ only in the angle of cut to the pole, but of course you can make different.