This is how…
I’m always near the limit or slightly beyond it.
Remember that it’s not just the completed and stacked components that take up space, but also all those uncompleted ones.
Or do you only keep completed components in your stash?
Mine looks about the same. The components that barely ever drop are in a second stash. That way i prevent its full as yours. Still, well… 
Nasty 
Even d3 has a seperated crafting stash since recent patches, like Guild Wars 2 always had (copied the idea? I dont mind because its a very good one imho).
it is a horrible idea to limit stash space to specific types of items.
Imagine two pages exclusively for components and two for everything else, how is that better than what we have now ?
Now, I am all for more stash space, but it should be useable however I want / makes the most sense to me, so without any restrictions…
Unless that stash is functionally different, eg an infinite list, more regular space is better than specialized space
You might want to keep the crafted only components in another stash, for example Haunted Steel, Silvercore Bolts, Prismatic Diamond…
Yes, you are right. In D3 its an extra menue in the inventory shared by EVERY character. Its basicly a virtual number of…lets say 3 of this sort of material, 8586 of another one etc. In GW2 you are using a slightly different mechanic but at the bank stash where you may open the crafting stash (stack size limited unless you buy a higher amount). The idea is to free the inventory / stash from crafting materials which are a lot.
For legendaries etc id love Powbams idea to be realized like a drop down menue of lets say all legendary items you found on your journey on every character. That would mean you could compare every single legendary in that drop down with the equip you`re currently using or with the one you just found, or the one in your stash. You would have a perfect INGAME overview of all your collections. Wouldnt that be an evolution of just a “stash”?
It could be state of the art, better than everything i`ve seen so far. The very best.
I dont know if there ever will be room for Crates team to realize something like this of course. Lets say it`s on my personal wish list for GD on a very high wanted status haha Beside the expansion ofc!
I only keep the completed ones in my stash, if I pick up parts they stay in inventory bags til they are completed.
I’m a bit confused how you can fill up the whole stash with completed components? I’ve played around with 14 different characters and have a huge amount of completed components in my component’s only stash tab, I still have room to put more in. I only craft the ones I need for recipes when I need them and then they get converted into whatever item I am crafting. Not taking into account craftable components are there enough components that drop from monsters when completed to fill a whole stash tab? I’m not in ultimate yet but are there components that drop in ultimate that don’t drop in other difficulties that would account for having a completely full stash tab?
Obviously yes if you include the incomplete ones. Just watch the screenshot posted above
Here is the wiki link for you: http://grimdawn.wikia.com/wiki/Components and no, they all drop in every difficulty. You will notice the sheer amount of them the longer you play and you may be very happy if you have collected (some/most of) them already when you`re trying to craft something like a high end relic, a bunch of batch of mastery etc