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Creating a Pond Garden.

Gina

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I'm starting with an empty area about 10 x 4 metres between sun lounge and observatory in front of living room window and facing roughly south.  I have killed off most of the weeds and grass by covering with an old tarpaulin for a year or so.  This has also stopped the ground from drying out and making it easier to dig.   In addition to providing a path to the observatory, this will provide flowers and shrubs to see from the living room window.  Plus a small pond and fountain.  The latter is something I have been working on in 3D printing and plan to have something unique.  Apart from the pond there will be planting areas and slabs and ornamental stepping stones.

I have removed most of the tarpaulin and started digging a hole for the pond.  The latter is a pre-formed pond I bought from Amazon :-
Bermuda Sand Pre Formed Pond 128 x 84 cm.

Here are some photos of pond hole digging and the general area.

457517742_Hole01.thumb.png.8a91deb4aeee2d1fdc7a71cfb9050b81.png428737344_Hole02.thumb.png.aa0c3c8c090dcaadb36f7f3f7e168df0.png2096655582_Hole03.thumb.png.3ba89d1f0247a4b41a0cc342e3997b76.png418886765_Hole04.thumb.png.19f66d7de7a024ffb1a77600b055d67d.png556171727_Hole05.thumb.png.77c4b490dd16d93ffb3eafeed28c7705.png

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Finished removing the turf from where the bath/pond is going, put said item in place and filled it with water.  Not perfectly level but good enough.

Some photos - two of the second pond and one of the planting round the wildlife pond.  I had a plant with orange flowers but the flowers have gone and I reckon I know the culprit.  Four legs, head and a short tail - brown and white.  And a voracious appetite for anything vegetable.  Answers to the name of Belle!  Sometimes.  My fault though - should have protected it from the caprine appetite!

423963126_Garden07.thumb.png.03d44a898da96c29ec788ec905687205.png1092123899_Garden08.thumb.png.0c762e4888f50237b5e0794fb76e219a.png441999296_Garden09.thumb.png.a4cc27d8aa991468c5bc5a63e607d822.png

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Nice miniature water lily would be good in there, the leaves would provide shade to discourage algae.

Dave

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The water pump I've bought will go in the big pond so I'm thinking of getting a smaller one for the wildlife pond - just a small fountain to oxygenate the water and provide a bit of extra interest.  I've tested the pump I've got and it will sent a goodly amount of water 6ft into the air.  It's bigger than wanted for the small pond.  Looked at the self-contained solar panel and pump ones that just float on the water but they only work in full sunlight.  Probably none too suitable for UK weather.  Pity.

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The trouble with fountains in a small pond is the wind can actually blow the water sideways and empty the pond.

Dave

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Gina

Posted (edited)

40 minutes ago, Davey-T said:

The trouble with fountains in a small pond is the wind can actually blow the water sideways and empty the pond.

Dave

Yes, that's why I went for a relatively low power one to produce just a small fountain.  I'll turn it off when windy too.

Edited by Gina

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I'll 3D print a small fountain head as the pump is just that - no fountain part.

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Designed and now printing a fountain.  Six holes facing upwards and slightly outwards.

Here's a cross-section of the top.

933498618_FountainCross-Section01.png.2c6035015c6ca539e0b13347d97de3ab.png

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If you have a central hole you can print a mushroom top like a giant drawing pin to fit in the windy weather so it produces a dome of water.

Dave

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Tested it on the large pump and with the flow set to minimum I got a height of over a foot which is more than I want so should be alright with the small pump.  (Due to arrive tomorrow.)  Tested in the kitchen sink - now waiting for the floor to dry ?

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3 minutes ago, Davey-T said:

If you have a central hole you can print a mushroom top like a giant drawing pin to fit in the windy weather so it produces a dome of water.

Dave

Ah yes, I think a dome of water might be rather nice.

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I shall be having a play with various designs but had better wait for the small pump so that the water remains in the sink and not all over the floor  ?

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I've designed and now printing a fountain head which should produce a sort of doughnut shape hopefully with a smooth surface.  We'll see.  Here are the top part diagrams.  This forms a ring where the water comes out with an outwards tilt.  The inner part will be held further down with a ring with slots in for the water to pass through.  A further tube will connect to the pump.  All parts in ABS and will be solvent welded together.

991537707_FountainCross-Section02.png.29f1e6bcd3e9d5fdc69aa40394a57aca.png773398318_FountainPlug01.png.7c1005357c574275657726f2a4c171ac.png

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Three parts printed using my Titan printer with 0.6mm nozzle.  Would probably be better printed with my Mini printer but that has a problem.

903111579_DoughnutFountain01.thumb.png.47820ce3f1c8bfacfd98df71103f442b.png

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Gina

Posted (edited)

Just done a test with the larger pump and the fountain is just a vertical jet with a tumbling top.  Not a bad effect but not what I was intending.  I reckon I could get the same with a simple single hole.  Increasing the flow rate simple resulted in a higher plume.  Maybe the slot needs to be narrower and a flatter cone.

Edited by Gina

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This might be a better design.  A cross-sectional diagram showing both top parts.  I don't see how the water could possibly go straight up now!  ?

935899073_FountainCross-Section03.png.d56cf805d4c057bfa1e5214a329f3660.png

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It may work better if the top bit had a curved underside and the bottom tube could probably just be straight sided.

Dave

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Something like this, excuse the wobbly drawing.

It should produce a mushroom shaped water effect which can be fine tuned by raising / lowering centre bit.

Dave

Fountain.png.43e963fd39fcca9a1d1256856e3391c2.png

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Ah yes, I see what you mean bend the water more evenly.  That's a good thought.  Also I think I should probably make it bigger - 25mm diameter is a bit small.

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I'd have thought 25mm ID would work OK if you made a standard bottom pipe you could experiment with different top bits to produce different effects :)

Dave

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Gina

Posted (edited)

Here's a new design for the middle bit.  This is 40mm diameter at the top.

60903734_FountainPlug02.png.5c457ad1759be37c7ce0d918ef653fa0.png

Edited by Gina

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Gina

Posted (edited)

17 minutes ago, Davey-T said:

I'd have thought 25mm ID would work OK if you made a standard bottom pipe you could experiment with different top bits to produce different effects :)

Dave

Yes, I shall be doing just that ?  The bottom pipe can be TPU (flexible filament) to fit over the hose connection on the pump and the top tube to the fountain top.

Edited by Gina

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Gina

Posted (edited)

Did a test with the 45° ring version and it produced a horizontal spray - not what I want.  The latest, curved "plug" may be better.  The small pump hasn't arrived yet so still testing with the bigger one (at minimum flow) and getting "drowned" ?

935899073_FountainCross-Section03.png.d56cf805d4c057bfa1e5214a329f3660.png

Edited by Gina

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