On Wed, 2 Dec 2020 19:00:19 -0500, Alex wrote:

> John Kuthe wrote:
>> On Tuesday, December 1, 2020 at 9:14:44 PM UTC-6, Sqwertz wrote:
>>> On Tue, 1 Dec 2020 18:16:29 -0800 (PST), John Kuthe wrote:
>>>
>>>> And today, I went Home Depot and bought a 4x4ft piece of almost
>>>> 1/2" plywood and will cut 18"x30.5" shelves from and use my
>>>> remaining 2x2s to mount a stiffener under them, then lay them on
>>>> the rails, and voila! New shelves at 20" and 40", 18"x30.5" to
>>>> put the stuff on!
>>> $50 says they're wobbly.
>>>
>>> -sw
>> I am 60 years old and have MS! But I can rip an hour (20-20-20mins) on my Nordictrack!
>>
>> Not bad eh?
>>
>> And I just bought an almost 1/2 thick piece of plywood and will use 2x2 stiffeners to make the shelves NOT wobbly!
>>
>> John Kuthe...
>
> Limit the load to marshmallows and you will be fine.* 3/4" plywood and
> deeper shelves would have been a better choice.

Note the bottom shelf is already sagging and the upper shelf is
bowed upward.

-sw