Step 1: First Step: Add a Plane
In the "Add" menu, click on "Mesh->Plane".
Step 2: Second Step: Modify It in Edit Mode
In the menu that appears, click "vertices".
Don't worry, three points disappeared , but the only one you need is the remaining one. Move this point to one square to the right from the center:right-click on it, then move it with the red and green arrows while holding ctrl.
Step 3: Third Step: Give Your Glass Its Shape
Step 4: Fourth Step: Correct It
Step 5: Fifth Step:spin It!
-press A twice
-press w, and in the menu that appears, click on "remove doubles". A litte window should pop up saying "removed 5 vertices". Click on it to close it.
-switch to object mode(do as shown on the first picture).
If you don't know how I got the view for the second picture, push the button in the middle of your mouse and move your mouse while holding it. You can also zoom in and zoom out if you scroll forward or backwards.
Step 6: Sixth(and Final)step: Improve It and Finish It
Once you've done this, press F5 to switch to "Shading". The lowest part of your screen should be overall grey except for a button on which is written "Add new", under "link to object". Click on it.
Now some columns will appear, labeled "preview", "material", "ramps", etc. If it isn't already selected(=in a lighter grey than the others) select it by clicking on its name. Then click the "ray transp" button and increase the value of "fresnel"(set it to 1 or a bit more). Then you will use the "material" column. There should be a grey rectangle with "col" written next to it. Click on it. The window that appears allows you to choose a new color for the glass. Well then, it's time to render it. Press F10, then press the "Render" button(it's quite big, I won't put a screenshot because I guess you won't miss it). A window will pop up an soon, your awesome glass of wine will appear. To save it, press F3 and select the folder you want it to be put in(you have to type the whole way to the folder, I know that's annoying).
Congratulations! You've made an awesome glass of wine with Blender!If you want to see a few more things I did with blender, you can go there. If you want an instructable on the airship or the steam machine(or something else), you just have to ask, but it will take some time to make.You can tell me what you think of my glass in the comments and post pictures of yours or other stuff you made.