Is there an easier way to mark midpoints and fixed points?

[tbenkerE2YG2]

I am trying to reduce the number of construction lines and points i use in sketches. As a new user only two methods I know are not so practical and do not allow me to reduce the construction line.

Sometimes i need to place a slot, hole, feature in a certain spot on the model similar to example sketch i uploaded. 

The first method is direct sketching. Assuming the starting geometry is a rectangle and it is dimensioned, Fusion shows the mid points by triangle marker (pic1). I can easily create a crosshatch lines. From that point things get hard. Lets call the corners ABCD, and mid point of side AB M. Although the construction lines from those midpoints are constrained and endpoints are coincide the sides, Fusion does not show any midpoint marker for A-M (pic2). So i need to draw an other construction line between Side A-D. Frm its midpoints another perpendicular construction line between A-M (pic.3). This new line now shows the midpoint. This goes on and on until i reach the point i need.

The second method is using parameters and formula to calculate the exact point. Even in this case, I at least need to draw two construction lines to apply the formula. If there will be only one feature like the example sketch it would be the easiest. When I need to have several (not symmetrical to be able to apply mirror or pattern) of them it means I had to fill all the parameters with formulas, which i can not even give them a unique name. Plus two more construction lines per feature.

There is one more method, which is a freehand style. After drawing the M-M2  construction like, Fusion does not show Midpoint marker for A-M. Instead I can use box markers (actually grid snap points) (pic.4), to estimate the position. In this example, based on grid increments, they are 1 mm apart. But these markers are not official markers like midpoint that when I draw any line from them to and any construction line between A-M they will not be constrained at all. So they cause more trouble then help. So I can not call it a method at all.

Is there an easier method to find that certain spot without needing to fill the sketch with gridlines or parameters with formulas?

Thanks in advance.

[KristianLaholm · Accepted solution]

You can do the formulas in the dimension input box, they will be saved in the sketch parameters.

[Drewpan]

Hi,

I would strongly recommend that you do the embedded tutorials in the Fusion Documentation and also some of the

Self-Paced Learning to help you to learn fusion faster and better. They can be found here:

It is also much easier for the forum to help you if you attach your file AND a screenshot of what you want to achieve

and what the problem is. You can create a file to export like this:

Time spent on the tutorials and self paced learning will not be wasted. Also check out the three RULES that are pinned to the forum for further guidance.

Ok. Lets talk about your problem.

It sounds to me that if you are worried about too many points and construction lines then you are  probably making

your sketches way too complex. A sketch should be simple and only address one or two things at a time. This

will help simplify the workflow, give you robust sketches and help prevent clutter.

It is very frustrating that fusion will not locate the midpoint of a line segment but if you have already used the

mid-point of a line to split it in two then you still have a single line object. The mid-point is a marker, not a line

break. The only way to create a mid-point of a mid-point is to calculate it with parameters or to draw another line

segment of the same length. This is one of the reasons that construction lines exist in the first place. You are not

actually doing anything wrong using construction lines. What you probably are doing is making your sketches

too complicated and getting cluttered up. Remember that you can also project the important features from another

sketch into a new sketch.

Cheers

Andrew